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CVE-2026-76331· NVD / CVE Program· CNA cisco

SPL Injection through the REST API in Splunk Enterprise

In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, a user who does not hold the "admin" or "power" Splunk roles could inject Search Processing Language (SPL) into saved-search dispatch requests. This could allow for unauthorized access to all relevant data and affect system integrity within Splunk Enterprise. The vulnerability is possible because Splunk Enterprise does not correctly validate caller-supplied time values before using them in saved-search dispatch. For more information see Search endpoint descriptions (https://help.splunk.com/en/splunk-enterprise/rest-api-reference/10.2/search-endpoints/search-endpoint-descriptions) in the Splunk documentation.

HighCVSS 8.1 · v3.1—No exploit No fix recorded
Published
Aug 19, 2026
Updated
Aug 27, 2026
EPSS
0.4% · 32th percentile
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Report tools

JSON

Action score

32

Monitor

Low priority for now.

CVSS
32 / 40 · 8.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · cisco
8.1
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
splunksplunk

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • splunk splunk9.4.0 and later · before 9.4.14
  • splunk splunk10.0.0 and later · before 10.0.9
  • splunk splunk10.2.0 and later · before 10.2.6
  • splunk splunk10.4.0 and later · before 10.4.2

Versions reported by the vendor

Affected version ranges reported by the assigning authority (cisco). Independent of NVD's CPE analysis and usually ahead of it.

  • Splunk Splunk Enterprise

    • 10.4 and later · before 10.4.2affected
    • 10.2 and later · before 10.2.6affected
    • 10.0 and later · before 10.0.9affected
    • 9.4 and later · before 9.4.14affected

Other highest-scoring records for the same primary product.

  • CVE-2026-20253Unauthenticated Arbitrary File Creation and Truncation in a PostgreSQL Sidecar Service Endpoint in Splunk EnterpriseKEV
    98Now
  • CVE-2023-32707‘edit_user’ Capability Privilege Escalation
    59Plan
  • CVE-2018-11409Splunk through 7.0.1 allows information disclosure by appending __raw/services/server/info/server-info?output_mode=json to a query, as demon
    50Plan
  • CVE-2026-20251Remote Code Execution through Deserialization of Untrusted Data in Splunk Secure Gateway
    45Plan
  • CVE-2023-32714Path Traversal in Splunk App for Lookup File Editing
    45Plan
  • CVE-2022-32158Splunk Enterprise deployment servers allow client publishing of forwarder bundles
    40Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

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.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-762540 days apartSPL Command Safeguards Bypass through Splunk Web in Splunk Enterprise
    35Monitor
  • CVE-2026-763160 days apartStored SPL Injection through Deployment Server Broker Registration in Splunk Enterprise
    35Monitor
  • CVE-2026-763200 days apartSPL Injection through Cross-Site Request Forgery (CSRF) in the Event Type Builder in Splunk Web for Splunk Enterprise
    26Monitor
  • CVE-2026-763270 days apartSPL Injection through Splunk Web in Splunk Secure Gateway
    25Monitor
  • CVE-2026-763290 days apartSPL Injection through Monitoring Console Dashboard Inputs in Splunk Enterprise
    25Monitor
  • CVE-2026-763490 days apartSPL Injection through Splunk Web Form Tokens in Splunk Enterprise
    25Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

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
high · data can be read
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

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.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

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