TI-2026-79025 Aliases CVE-2026-76299 GHSA-vwr2-h35x-mr2c

Improper access control in Splunk Enterprise

MEDIUM 43CWE-284Published 2026-10-21 · Updated 2026-10-22

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.

Summary

Splunk Enterprise from 10.4 before 10.4.4, from 10.2 before 10.2.8, from 10.0 before 10.0.11 and from 9.4 before 9.4.16 contains improper access control flaws (CWE-284) found in Cisco's internal security review. A remote attacker with low privileges can fully compromise confidentiality, integrity and availability, and the attack can affect resources beyond the vulnerable component.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76299 are related to improper access control and are grouped under the Common Weakness Enumeration (CWE) CWE-284.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00329 26th percentileScored 2026-11-07

Fix Fixed Splunk Enterprise (Splunk): 10.4.4, 10.2.8, 10.0.11 +1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Splunk	Splunk Enterprise	10.4 to before 10.4.4; 10.2 to before 10.2.8; 10.0 to before 10.0.11; 9.4 to before 9.4.16	10.4.4, 10.2.8, 10.0.11, 9.4.16	Patch available	CNA

Splunk Enterprise VendorSplunk Affected 10.4 to before 10.4.4; 10.2 to before 10.2.8; 10.0 to before 10.0.11; 9.4 to before 9.4.16 Fixed in 10.4.4, 10.2.8, 10.0.11, 9.4.16 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:splunk:splunk::::::::	—	—	Splunk

cpe:2.3:a:splunk:splunk:*:*:*:*:*:*:*:* Versions — — ·Splunk

Remediation

Upgrade to Splunk Enterprise 10.4.4, 10.2.8, 10.0.11 or 9.4.16, the fixed version for each release line.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Fix · CNA Splunk Enterprise (Splunk) Fixed in 10.4.4, 10.2.8, 10.0.11, 9.4.16

Fixed in the same release

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

Release · 2026-10-21
Splunk Enterprise 10.0.11, 10.2.8 and 2 more versions
12 records Highest priority Priority MEDIUM 5 MEDIUM, 7 LOW
Other records, highest priority first
- TI-2026-79027 Protection mechanism failure in Splunk EnterprisePriority MEDIUM 49
- TI-2026-79038 Improper neutralization flaws in Splunk Enterprise hardening releasePriority MEDIUM 43
- TI-2026-79026 Improper resource lifetime control in Splunk EnterprisePriority MEDIUM 40
Show all 12 records →

Timeline

2026-10-21 Threatist record created from CVE-2026-76299
2026-10-22 Alias added: GHSA-vwr2-h35x-mr2c
2026-10-22 CVSS score added · CISA ADP
2026-10-22 CISA SSVC decision points changed
2026-10-22 Priority changed: LOW → MEDIUM

References

Other 1

https://advisory.splunk.com/advisories/SVD-2026-1008

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-2023-12257 Injection in https://github.com/curl/curl CVSS 3.1CRITICAL 9.8
TI-2022-13930 Information disclosure in https://github.com/curl/curl CVSS 3.1CRITICAL 9.8
TI-2022-13917 Incorrect default permissions in https://github.com/curl/curl CVSS 3.1CRITICAL 9.8

See all 450 →

Sources

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