Improper access control in Splunk SOAR
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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 SOAR versions before 8.7.0 contain an improper access control flaw (CWE-284) found in an internal security review. An unauthenticated remote attacker can exploit it without user interaction, with high impact to confidentiality, integrity and availability.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
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-2026-76407 are related to improper access control and are grouped under the Common Weakness Enumeration (CWE) CWE-284.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Upgrade Splunk SOAR to version 8.7.0, which fixes the flaw.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
- Fix · CNA Splunk SOAR (Splunk) Fixed in 8.7.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Splunk SOAR 8.7.0
15 records Highest priority Priority MEDIUM 8 MEDIUM, 7 LOW
Other records, highest priority first
- TI-2026-79051 Improper protection of alternate path in Splunk SOARPriority MEDIUM 49
- TI-2026-79050 Protection mechanism failure in Splunk SOARPriority MEDIUM 49
- TI-2026-79049 Improper exception handling in Splunk SOARPriority MEDIUM 49
Timeline
- 2026-10-21 Threatist record created from CVE-2026-76407
- 2026-10-22 Alias added: GHSA-chh5-phg6-q4h8
- 2026-11-02 CVSS score added · CISA ADP
- 2026-11-02 CISA SSVC decision points changed
- 2026-11-02 Priority changed: LOW → MEDIUM
References
More Splunk vulnerabilities
- 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
Sources
- CVE-2026-76407 · CVE Program
- CVE-2026-76407 · NVD
- FIRST EPSS
- GHSA-chh5-phg6-q4h8 · GitHub Advisory Database · CC BY 4.0
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