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Exploited and new serious CVEs: September 2026

7,965 records · 32 KEV. In publication order.

Included: records in CISA KEV, with a weaponized exploit, with EPSS of 10% or more, with a public PoC and published in the last 3 years, and CVSS 7+ records published in the last 90 days. All other records are in search and vendor pages.

Month boundaries are UTC, the same rule as the publication date on each record page.

Page 9 of 80

  • undici vulnerable to Denial of Service via orphaned RetryHandler response body

    MediumCVSS 5.9No exploitEPSS 0%

    nodejs · undiciSep 4, 2026

  • undici vulnerable to Denial of Service via unrequested WebSocket subprotocol

    HighCVSS 7.5No exploitEPSS 0%

    nodejs · undiciSep 4, 2026

  • Note Mark: Path traversal via unsanitized book/note slug in migrate export (sibling of GHSA-g49p)

    HighCVSS 8.6No exploitEPSS 0%

    enchant97 · note-markSep 4, 2026

  • Emlog: Stored XSS via Parsedown Markdown Processing - Raw HTML Not Sanitized

    HighCVSS 8.7No exploitEPSS 0%

    emlog · emlogSep 4, 2026

  • Frappe CRM: Authentication Bypass via Logged Invitation Keys in crm/api

    HighCVSS 8.2No exploitEPSS 0%

    frappe · crmSep 4, 2026

  • PJSIP: SDP parser out-of-bounds write in remote payload-type map maintenance

    HighCVSS 8.4No exploitEPSS 0%

    teluu · pjsipSep 4, 2026

  • PJSIP: Stack overflow handling Service-Route headers in a registration response

    HighCVSS 8.8No exploitEPSS 0%

    teluu · pjsipSep 4, 2026

  • PJSIP: Stack overflow parsing SDP a=crypto attributes

    HighCVSS 8.8No exploitEPSS 0%

    teluu · pjsipSep 4, 2026

  • PJSIP: Stack overflow parsing a TLS peer certificate's SubjectAltName in GnuTLS backend

    HighCVSS 8.8No exploitEPSS 0%

    teluu · pjsipSep 4, 2026

  • PJSIP: Heap overflow in the HTTP client

    HighCVSS 8.3No exploitEPSS 0%

    teluu · pjsipSep 4, 2026

  • SolidInvoice: PHP unserialize() called on client-controlled data in DataGrid LiveComponent context prop

    HighCVSS 7.5No exploitEPSS 0%

    solidinvoice · solidinvoiceSep 4, 2026

  • Code injection in the CDK generator in Amazon awslabs.dynamodb-mcp-server

    HighCVSS 7.1No exploitEPSS 0%

    amazon · awslabs.dynamodb-mcp-serverSep 4, 2026

  • OS command injection in Amazon log4j-cve-2021-44228-hotpatch

    HighCVSS 8.5No exploitEPSS 1%

    amazon · log4j-cve-2021-44228-hotpatchSep 4, 2026

  • CVE-2026-9317
    36Monitor

    Nango < 0.71.6 Missing Authentication RCE via runner tRPC server

    CriticalCVSS 9.2No exploitEPSS 1%

    nangohq · nangoSep 4, 2026

  • File Upload vulnerability in Zhao-github ApiAdmin v.5.0.1 allows a remote attacker to execute arbitrary code via a crafted .php file

    HighCVSS 8.1No exploitEPSS 0%

    Sep 4, 2026

  • An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in the SonicWall Network Securit

    CriticalCVSS 9.1No exploitEPSS 1%

    sonicwall · network security manager (nsm)Sep 4, 2026

  • A missing authorization vulnerability in the SonicWall Network Security Manager (NSM) On-Prem Management interface allows a lower-privileged

    CriticalCVSS 9.1No exploitEPSS 0%

    sonicwall · network security manager (nsm)Sep 4, 2026

  • An arbitrary file upload vulnerability in AppNitro MachForm v30 allows attackers to execute arbitrary code via uploading a crafted .phar fil

    HighCVSS 8.1Proof of conceptEPSS 0%

    Sep 4, 2026

  • PassMark PerformanceTest, BurnInTest, and OSForensics Improper Access Control via DirectIo64.sys

    HighCVSS 8.5No exploitEPSS 0%

    passmark software · performancetestSep 4, 2026

  • PassMark PerformanceTest, BurnInTest, and OSForensics Hard-coded Credentials Authentication Bypass via DirectIo64.sys

    HighCVSS 8.5No exploitEPSS 0%

    passmark software · performancetestSep 4, 2026

  • PassMark PerformanceTest, BurnInTest, and OSForensics Privilege Escalation via DirectIo64.sys IOCTL

    HighCVSS 8.5No exploitEPSS 0%

    passmark software · performancetestSep 4, 2026

  • PassMark PerformanceTest, BurnInTest, and OSForensics Kernel Null Pointer Dereference via DirectIo64.sys IOCTL

    HighCVSS 8.4No exploitEPSS 0%

    passmark software · performancetestSep 4, 2026

  • PassMark PerformanceTest, BurnInTest, and OSForensics Physical Memory Disclosure via DirectIo64.sys IOCTL

    HighCVSS 8.5No exploitEPSS 0%

    passmark software · performancetestSep 4, 2026

  • A Zip Slip vulnerability in the SonicWall Network Security Manager (NSM) On-Prem file upload and archive processing functionality allows an

    CriticalCVSS 9.1No exploitEPSS 0%

    sonicwall · network security manager (nsm)Sep 4, 2026

  • In Trimble TM4WEB 21.4.0.4 due to security misconfiguration with session identifiers, it is possible to recover valid session cookies via re

    MediumCVSS 5.4Proof of conceptEPSS 0%

    Sep 4, 2026

  • In Trimble TM4WEB 21.4.0.4, the external bill viewer endpoint is vulnerable to reflected cross-site scripting via injection in a arbitrary p

    HighCVSS 7.1Proof of conceptEPSS 0%

    Sep 4, 2026

  • nebula-mesh: Operator session tokens stored in plaintext in the database

    HighCVSS 7.1No exploitEPSS 0%

    forgekeep · nebula-meshSep 4, 2026

  • nebula-mesh: CA private key not zeroized on web mobile-bundle error paths

    HighCVSS 7.1No exploitEPSS 0%

    forgekeep · nebula-meshSep 4, 2026

  • wnx/laravel-backup-restore: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') and Improper Neutralization of Special El

    HighCVSS 8.0No exploitEPSS 1%

    stefanzweifel · laravel-backup-restoreSep 4, 2026

  • Langflow is vulnerable to Server-Side Request Forgery due to missing or bypassable URL validation in multiple components

    HighCVSS 7.7No exploitEPSS 0%

    langflow · langflowSep 4, 2026

  • nebula-mesh: Certificate revocation is never enforced at the mesh

    HighCVSS 8.1No exploitEPSS 0%

    forgekeep · nebula-meshSep 4, 2026

  • Nebula-mesh allows non-admin operators to disable webhook SSRF protection via `allow_private`

    HighCVSS 7.7No exploitEPSS 0%

    forgekeep · nebula-meshSep 4, 2026

  • SQL injection vulnerability in Zhao-github APiAdmin v.5.0.1 allows a remote attacker to obtain sensitive information via the User.php compon

    HighCVSS 7.4No exploitEPSS 0%

    Sep 4, 2026

  • An issue in esoTalk v.1.0.0g4 allows a remote attacker to execute arbitrary code via the core/models/ETMemberModel.class.php, core/controlle

    CriticalCVSS 9.8No exploitEPSS 0%

    Sep 4, 2026

  • An issue in slimkit plus ThinkSNS+ v.2.4 allows a remote attacker to escalate privileges via the ResetPasswordController.php component

    CriticalCVSS 9.8No exploitEPSS 0%

    Sep 4, 2026

  • An issue in Invoice Ninja v5.13.24 allows a remote attacker to obtain sensitive information via the StoreWebhookRequest.php, UpdateWebhookRe

    HighCVSS 7.5No exploitEPSS 0%

    Sep 4, 2026

  • Trueview T18161 S 6.0.23.4 contains an improper verification in MQTT command processing.

    HighCVSS 7.4No exploitEPSS 0%

    Sep 4, 2026

  • Trueview TI8161 6.0.23.4 is vulnerable to information disclosure due to the transmission of MQTT communications in plaintext over TCP port 1

    HighCVSS 7.5No exploitEPSS 0%

    Sep 4, 2026

  • No authentication exists in the MQTT service of Trueview 6.0.23.4.

    CriticalCVSS 9.8No exploitEPSS 0%

    Sep 4, 2026

  • Incomplete fix for CVE-2026-75936 memory-amplification denial of service in Amazon ion-java

    HighCVSS 8.7No exploitEPSS 0%

    amazon · ion-javaSep 4, 2026

  • futex: Fix race on the initial mm->futex.phash.ref allocation

    Proof of conceptEPSS 0%

    linux · linuxSep 4, 2026

  • xfrm: ah6: validate routing header segments_left

    Proof of conceptEPSS 0%

    linux · linuxSep 4, 2026

  • easyadmin v2.0.2.2 is vulnerable to Unrestricted Upload of File with Dangerous Type in the background management interface which allows auth

    CriticalCVSS 9.8No exploitEPSS 0%

    Sep 4, 2026

  • Buffer Overflow vulnerability in Open5GS v2.7.7 allows a remote attacker to cause a denial of service via the ogs_sbi_time_parse() function

    HighCVSS 7.5No exploitEPSS 0%

    Sep 4, 2026

  • An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component

    HighCVSS 7.5No exploitEPSS 0%

    Sep 4, 2026

  • Tycon Systems TPDIN-Monitor-WEB3 Use of Hard-coded Credentials

    HighCVSS 7.1No exploitEPSS 0%

    tycon systems · tpdin-monitor-web3Sep 4, 2026

  • An authenticated remote code execution (RCE) vulnerability in the admin_config.php component of seacms v13.6 allows attackers to execute arb

    HighCVSS 8.8No exploitEPSS 0%

    Sep 4, 2026

  • An arbitrary file deletion vulnerability in the /adminapi/file/video_data_save component of CRMEB v6.0.0 allows authenticated attackers to d

    HighCVSS 7.2No exploitEPSS 0%

    Sep 4, 2026

  • Tycon Systems TPDIN-Monitor-WEB3 Cross-Site Request Forgery

    HighCVSS 8.6No exploitEPSS 0%

    tycon systems · tpdin-monitor-web3Sep 4, 2026

  • An incomplete list of disallowed inputs in the SQL validation component of Amazon awslabs postgres-mcp-server

    HighCVSS 7.1No exploitEPSS 0%

    amazon · postgres-mcp-serverSep 4, 2026

  • Twig: Sandbox method allowlist bypass via `Markup` subclass

    HighCVSS 8.7No exploitEPSS 0%

    twigphp · twigSep 4, 2026

  • IXON VPN Client CRLF Injection

    CriticalCVSS 9.4No exploitEPSS 0%

    ixon · ixon vpn clientSep 4, 2026

  • Inductive Automation Ignition Incorrect Default Permissions

    HighCVSS 8.7No exploitEPSS 0%

    inductive automation · ignitionSep 4, 2026

  • Tycon Systems TPDIN-Monitor-WEB3 Missing Authorization

    HighCVSS 8.6No exploitEPSS 0%

    tycon systems · tpdin-monitor-web3Sep 4, 2026

  • ntopng before 6.7.260717 Missing Authorization on the Notification Endpoint and Recipient Delete Handlers

    HighCVSS 7.1No exploitEPSS 0%

    ntop · ntopngSep 4, 2026

  • ntopng before 6.7.260717 Missing Authorization on the Host Pool Bulk Delete Handler

    HighCVSS 7.1No exploitEPSS 0%

    ntop · ntopngSep 4, 2026

  • ILIAS Arbitrary SQL Injection via Repository Trash Table Sort Parameter

    HighCVSS 8.7No exploitEPSS 0%

    ilias-elearning e.v. · iliasSep 4, 2026

  • Libtpms: libtpms: heap out-of-bounds read in tpm2 state unmarshalling via unchecked block_skip_read() blocksize

    MediumCVSS 6.5Proof of conceptEPSS 0%

    red hat · red hat enterprise linux 10Sep 4, 2026

  • CRLF injection in Laravel's default email rule enables SMTP smuggling and spoofed-mail relay

    HighCVSS 8.9Proof of conceptEPSS 0%

    laravel · frameworkSep 4, 2026

  • Unidata netcdf-c through 4.10.1 Out-of-bounds Write via Oversized HDF5 Attribute Name

    HighCVSS 8.5No exploitEPSS 0%

    unidata · netcdf-cSep 4, 2026

  • PX4 Autopilot through 1.17.0 Null Pointer Dereference via param select

    HighCVSS 7.1No exploitEPSS 0%

    px4 · px4-autopilotSep 4, 2026

  • ntop nDPI before 6.0 Heap Buffer Overflow via ndpi_json_string_escape

    HighCVSS 8.3No exploitEPSS 0%

    ntop · ndpiSep 4, 2026

  • YesWiki: Authenticated (Admin) Server-Side Template Injection to Remote Code Execution via Bazar Semantic Templates

    HighCVSS 7.1No exploitEPSS 0%

    yeswiki · yeswikiSep 4, 2026

  • YesWiki: SQL injection via the `recentchanges` action `period` argument leading to arbitrary DB read

    MediumCVSS 6.5No exploitEPSS 0%

    yeswiki · yeswikiSep 4, 2026

  • YesWiki: Unauthenticated arbitrary page deletion via `{{erasespamedcomments}}` action

    CriticalCVSS 9.1No exploitEPSS 0%

    yeswiki · yeswikiSep 4, 2026

  • YesWiki: Unauthenticated ActivityPub Signature-Verification Bypass via `!openssl_verify(...)` accepting `int(-1)`

    HighCVSS 8.2No exploitEPSS 0%

    yeswiki · yeswikiSep 4, 2026

  • YesWiki: Unauthenticated Server-Side Request Forgery via ActivityPub `Signature.keyId`

    HighCVSS 8.3No exploitEPSS 0%

    yeswiki · yeswikiSep 4, 2026

  • Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in yeswiki/yeswiki

    HighCVSS 7.5No exploitEPSS 0%

    yeswiki · yeswikiSep 4, 2026

  • YesWiki: Second-Order SQL Injection in Page Delete API via Unescaped Page Tag (`ApiController::deletePage`)

    HighCVSS 8.3No exploitEPSS 0%

    yeswiki · yeswikiSep 4, 2026

  • Reflected XSS via Unescaped Archived-Revision `time` Parameter in `handlers/page/show.php` in YesWiki

    MediumCVSS 6.1Proof of conceptEPSS 0%

    yeswiki · yeswikiSep 4, 2026

  • Reflected XSS via Unescaped `id` Parameter in Bazar Widget HTML Attributes in YesWiki

    MediumCVSS 6.1Proof of conceptEPSS 0%

    yeswiki · yeswikiSep 4, 2026

  • YesWiki Authenticated SQL Injection in ReactionManager

    HighCVSS 8.8No exploitEPSS 0%

    yeswiki · yeswikiSep 4, 2026

  • YesWiki: Authenticated PHP Object Injection in BazarImportAction via unserialize

    CriticalCVSS 9.4No exploitEPSS 0%

    yeswiki · yeswikiSep 4, 2026

  • SQL Injection vulnerability in oasys sysoa version 1.0 allows a remote attacker to execute arbitrary code via the outtype parameter in the /

    CriticalCVSS 9.8No exploitEPSS 0%

    Sep 4, 2026

  • TypeSpec: Unauthenticated Remote Shutdown of Spector Mock Server via POST /.admin/stop

    HighCVSS 7.5No exploit

    npm · @typespec/spectorSep 4, 2026

  • In libxml2 before 2.15.4, xmlDictAddQString in dict.c has an integer overflow and resultant heap-based buffer overflow.

    HighCVSS 7.8No exploitEPSS 0%

    xmlsoft · libxml2Sep 5, 2026

  • In libxml2 before 2.15.4, xmlURIEscapeStr in uri.c has an integer overflow.

    HighCVSS 7.8No exploitEPSS 0%

    xmlsoft · libxml2Sep 5, 2026

  • In libxml2 before 2.15.4, xmlSnprintfElements in valid.c has a strcat stack-based buffer overflow.

    HighCVSS 7.8No exploitEPSS 0%

    xmlsoft · libxml2Sep 5, 2026

  • In libxml2 before 2.15.4, there is a heap-based buffer overflow in xmlXPtrEvalXPtrPart because of xmlXPtrEval xpointer length saturation.

    HighCVSS 7.8No exploitEPSS 0%

    xmlsoft · libxml2Sep 5, 2026

  • In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to reach write callbacks

    HighCVSS 7.3No exploitEPSS 0%

    xmlsoft · libxml2Sep 5, 2026

  • In xinclude in libxml2 before 2.15.4, xmlXIncludeProcess and xmlXIncludeProcessTree do not propagate parseFlags.

    HighCVSS 7.8No exploitEPSS 0%

    xmlsoft · libxml2Sep 5, 2026

  • MStore API <= 4.20.0 - Unauthenticated Authentication Bypass via 'id_token' Parameter JWT Forgery

    CriticalCVSS 9.8Proof of conceptEPSS 0%

    inspireui · mstore api – create native android & ios apps on the cloudSep 5, 2026

  • iubenda | All-in-one Compliance for GDPR / CCPA Cookie Consent + more <= 3.13.4 - Unauthenticated Stored Cross-Site Scripting via Comment Content via AdSense Re

    HighCVSS 7.2No exploitEPSS 0%

    iubenda · iubenda | all-in-one compliance for gdpr / ccpa cookie consent + moreSep 5, 2026

  • iubenda | All-in-one Compliance for GDPR / CCPA Cookie Consent + more <= 3.13.4 - Unauthenticated Stored Cross-Site Scripting via Comment Content

    HighCVSS 7.2No exploitEPSS 0%

    iubenda · iubenda | all-in-one compliance for gdpr / ccpa cookie consent + moreSep 5, 2026

  • Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN <= 3.21.0 - Unauthenticated Remote Code Execution via Cookie Name in Page Cache Debug Log

    CriticalCVSS 9.8No exploitEPSS 1%

    wpmudev · hummingbird performance – cache & page speed optimization for core web vitals | critical css | minify css | defer css javascript | cdnSep 5, 2026

  • PCRE2 before 10.48 allows a pcre2_dfa_match out-of-bounds write because reuse of a cached workspace block, in a recursive DFA matching works

    HighCVSS 8.2No exploitEPSS 0%

    pcre · pcre2Sep 5, 2026

  • QuickCal <= 1.0.20 - Unauthenticated Stored Cross-Site Scripting via Custom Field Parameters

    HighCVSS 7.2No exploitEPSS 0%

    themovation · quickcalSep 5, 2026

  • Gravity Forms <= 2.10.5 - Unauthenticated Stored Cross-Site Scripting via Post Body Field Value

    HighCVSS 7.2No exploitEPSS 0%

    gravity forms · gravity formsSep 5, 2026

  • SureForms <= 2.12.2 - Unauthenticated Stored Cross-Site Scripting via Text Field Entity-Encoded Payload

    HighCVSS 7.2No exploitEPSS 0%

    brainstormforce · sureforms – contact form builder, ai forms, payment form, survey & quizSep 5, 2026

  • Ninja Forms <= 3.15.1 - Unauthenticated Stored Cross-Site Scripting via Repeater Child 'type' Confusion via Unmatched Array Key

    HighCVSS 7.2No exploitEPSS 0%

    kstover · ninja forms – the contact form builder that grows with youSep 5, 2026

  • JetFormBuilder < 3.6.5.2 - Unauthenticated Password Hash and Arbitrary Metadata Disclosure via Dynamic Preset

    HighCVSS 7.5No exploitEPSS 0%

    unknown · jetformbuilder — dynamic blocks form builderSep 5, 2026

  • Welcart e-Commerce <= 2.12.1 - Unauthenticated Arbitrary File Deletion via PHP Object Injection via 'reserve' Checkout Parameter and 'option' EDY Callback

    HighCVSS 8.8No exploitEPSS 1%

    uscnanbu · welcart e-commerceSep 5, 2026

  • RegistrationMagic 5.0.1.8 - 6.0.9.8 - Unauthenticated Authentication Bypass via Missing Facebook Token Audience Validation

    HighCVSS 8.8No exploitEPSS 0%

    unknown · registrationmagicSep 5, 2026

  • Spam protection, Honeypot, Anti-Spam by CleanTalk <= 6.86 - Unauthenticated Stored Cross-Site Scripting via Comment Content aria-label Placeholder

    HighCVSS 7.2No exploitEPSS 0%

    cleantalk · spam protection, honeypot, anti-spam by cleantalkSep 5, 2026

  • SEO Flow by LupsOnline 3.0.0 - 3.0.2 - Unauthenticated Privilege Escalation via API Key Authentication

    CriticalCVSS 9.8No exploitEPSS 0%

    unknown · seo flow by lupsonlineSep 5, 2026

  • W3 Total Cache <= 2.10.5 - Unauthenticated Stored Cross-Site Scripting via LazyLoad Background Mutator

    HighCVSS 7.2No exploitEPSS 0%

    boldgrid · w3 total cacheSep 5, 2026

  • IPGP Visitors Origin < 1.6 - Reflected XSS

    HighCVSS 7.1No exploitEPSS 0%

    unknown · ipgp visitors originSep 5, 2026

  • Music Store – WordPress eCommerce < 1.4.5 - Unauthenticated SQLi via paypal-data Handler

    HighCVSS 8.6No exploitEPSS 0%

    unknown · music storeSep 5, 2026

  • JCH Optimize < 6.0.1 - Subscriber+ Stored XSS via getcacheinfo Task Override

    HighCVSS 8.0No exploitEPSS 0%

    unknown · jch optimizeSep 5, 2026

  • HT Menu < 1.2.7 - Subscriber+ Stored XSS via Menu Settings

    HighCVSS 8.0No exploitEPSS 0%

    unknown · ht menuSep 5, 2026