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TI-2026-69291 Aliases CVE-2026-76267GHSA-xv3j-9ggm-62xg

Log injection in Splunk App for Splunk O11y Cloud via REST API

Priority LOW 19CWE-117Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Splunk Enterprise versions from 10.4 before 10.4.3, from 10.2 before 10.2.7, and from 10.0 before 10.0.10 are affected. Splunk App for Splunk O11y Cloud does not neutralize user-supplied SignalFlow content before writing it to the app log, which is CWE-117. A user with a role that holds the read_o11y_content capability can inject forged entries into the app log through the REST API.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

In Splunk Enterprise versions below 10.4.3, 10.2.7, and 10.0.10, a user that holds a role with the read_o11y_content capability could inject forged entries into the app log through the Representational State Transfer (REST) API. The vulnerability is possible because Splunk App for Splunk O11y Cloud does not neutralize user-supplied SignalFlow content before writing it to the app log. Splunk Enterprise versions 9.4.x are not affected.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00223 13th percentileScored 2026-11-07
Fix Fixed Splunk Enterprise (Splunk): 10.4.3, 10.2.7, 10.0.10

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SplunkSplunk Enterprise10.4 to before 10.4.3; 10.2 to before 10.2.7; 10.0 to before 10.0.1010.4.3, 10.2.7, 10.0.10Patch availableCNA
  • Splunk Enterprise VendorSplunk Affected 10.4 to before 10.4.3; 10.2 to before 10.2.7; 10.0 to before 10.0.10 Fixed in 10.4.3, 10.2.7, 10.0.10 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*10.0.0 to before 10.0.10; 10.2.0 to before 10.2.7; 10.4.0 to before 10.4.3VulnerableSplunk
  • cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:* Versions 10.0.0 to before 10.0.10; 10.2.0 to before 10.2.7; 10.4.0 to before 10.4.3 Vulnerable ·Splunk

Remediation

Upgrade Splunk Enterprise to 10.4.3 on the 10.4 line, 10.2.7 on the 10.2 line, or 10.0.10 on the 10.0 line.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA Splunk Enterprise (Splunk) Fixed in 10.4.3, 10.2.7, 10.0.10

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Splunk Enterprise 10.0.10, 10.2.7, 10.4.3

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2026-69298 Server-side request forgery in Splunk App for Splunk Observability CloudPriority LOW 29
    • TI-2026-69295 DoS in Discover Splunk Observability Cloud app for Splunk EnterprisePriority LOW 29
    • TI-2026-69300 Source code disclosure in the Splunk Observability Cloud Discover appPriority LOW 20
    Show all 5 records →

Timeline

  1. 2026-10-07 Threatist record created from CVE-2026-76267
  2. 2026-10-07 Alias added: GHSA-xv3j-9ggm-62xg
  3. 2026-10-08 CISA SSVC decision points changed

References

Advisory 1

  • TI-2026-16444 Unauthenticated Arbitrary File Creation and Truncation in a PostgreSQL Sidecar Service Endpoint in Splunk Enterprise KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-00154 The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly… KEVCVSS 3.1HIGH 7.5
  • TI-2023-24841 Remote code execution (RCE) in Splunk Enterprise through Insecure XML Parsing CVSS 3.1HIGH 8.8
  • TI-2023-15979 ‘edit_user’ Capability Privilege Escalation CVSS 3.1HIGH 8.8
  • TI-2024-30707 Remote Code Execution (RCE) due to insecure session storage configuration in Splunk Enterprise on Windows CVSS 3.1HIGH 8.8
  • TI-2022-21345 Reflected Cross-Site Scripting via the radio template in Splunk Enterprise CVSS 3.1HIGH 8.8
See all 297 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences