CVE-2026-111897: phpMyFAQ 4.2.0-alpha before 4.2.0-beta Authorization Bypass in Attachment Administration Endpoints
Noroxi assessment
Priority: Monitor (action score 28/100)
- The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
- Probability of exploitation in the next 30 days: 0.32% (FIRST EPSS).
- Anyone who can reach it over the internet can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
- Fixed version: thorsten phpMyFAQ 4.2.0-beta.
Low priority for now. Upgrade to thorsten phpMyFAQ 4.2.0-beta or later.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · FIRST EPSS
phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains an authorization bypass vulnerability that allows category-restricted editors to manage attachments of FAQs outside their categories by supplying arbitrary record IDs. Attackers in medium permission mode can send upload or delete requests with a target record_id or attachment ID to tamper with or remove files on unauthorized FAQs.
- Published
- Oct 17, 2026
- Updated
- Oct 19, 2026
- EPSS
- 0.3% · 26th percentile
- CWE
- CWE-862
Report tools
Action score
28
Low priority for now.
- CVSS
- 28 / 40 · 7.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.3%
CISA SSVC decision
- Exploitation
- proof of concept
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · VulnCheck
- 7.1
- NVD has not scored this yet; the score shown is the CNA’s.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- No public exploit code on record
- A fix has been released
If any of these changes, we'll tell you in the daily email digest.
Is your version affected? Check itNoroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
—
Versions reported by the vendor
Affected version ranges reported by the assigning authority (VulnCheck). Independent of NVD's CPE analysis and usually ahead of it.
thorsten phpMyFAQ
- 4.2.0-betanot affected
- 4.2.0-alpha and later · before 4.2.0-betaaffected · semver
Same product
thorsten: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-46364phpMyFAQ - SQL Injection via User-Agent Header in BuiltinCaptcha38Monitor
- CVE-2026-111911phpMyFAQ 4.0.0 before 4.1.9 Authentication Bypass via WebAuthn Credential Injection37Monitor
- CVE-2026-66398phpMyFAQ before 4.1.6 Remote Code Execution via Configuration API37Monitor
Published before and after this one in the same product
- ← EarlierCVE-2026-111895Oct 17, 2026 · phpMyFAQ 3.2.0 before 4.0.0 and 4.0.2 before 4.2.0-beta Account Takeover via Entra ID preferred_username30Monitor
- ← EarlierCVE-2026-111896Oct 17, 2026 · phpMyFAQ 4.2.0-alpha before 4.2.0-beta Stored XSS via SVG Upload Sanitizer Bypass20Monitor
- Later →CVE-2026-111898Oct 17, 2026 · phpMyFAQ 4.2.0-alpha before 4.2.0-beta Account Takeover via Keycloak Implicit Account Linking30Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| thorsten phpMyFAQ | 4.2.0-beta | Vendor (CNA) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- Published
- Fix recordedsame day
- TodayNov 13, 2026+27 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
- bp0lrreporter
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2026-1119100 days apartphpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Authorization Bypass via attachment.php Downloads28Monitor
- CVE-2026-49205121 days apartphpMyFAQ: Missing userHasPermission() in 4 API write endpoints (CVE-2026-24421 Incomplete Fix)26Monitor
- CVE-2026-1118890 days apartphpMyFAQ 4.1.0 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Missing Authorization via Admin Dashboard21Monitor
- CVE-2026-8558943 days apartphpMyFAQ before 4.2.0-alpha.2 Missing Authorization via Dashboard API21Monitor
- CVE-2026-45007155 days apartphpMyFAQ - Missing Permission Check on 12 Configuration API Endpoints Allows Information Disclosure21Monitor
- CVE-2026-46365155 days apartphpMyFAQ - Missing Authorization in Tag Deletion Endpoint21Monitor
Not on record for this CVE: patch commit or PR link · public bounty program.
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- Integrity
- Availability
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- X
Weakness class (CWE)
CWE-862 · Missing AuthorizationCVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Change log
- SSVC exploitation— → poc
- Exploit maturity— → none
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Show all references (1 more)Show less
Vendor advisories and official records. Exploit/PoC links are deliberately left out.