Improper exception handling in Splunk SOAR
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Splunk SOAR from 0 before 8.7.0 is affected. Cisco's internal review found flaws in how the product handles exceptional conditions, which the source groups under CWE-703. A remote attacker without privileges or user interaction can fully affect confidentiality, integrity and availability.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
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-2026-76527 are related to improper check or handling of exceptional conditions and are grouped under the Common Weakness Enumeration (CWE) CWE-703.
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 8.7.0, the fixed version the sources list for this product.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- 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-2026-79047 Improper resource lifetime control in Splunk SOARPriority MEDIUM 49
Timeline
- 2026-10-21 Threatist record created from CVE-2026-76527
- 2026-10-22 Alias added: GHSA-crq7-hg23-h2c6
- 2026-10-28 CISA SSVC decision points changed
- 2026-10-29 CVSS score added · CISA ADP
- 2026-10-29 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-2026-76527 · CVE Program
- CVE-2026-76527 · NVD
- FIRST EPSS
- GHSA-crq7-hg23-h2c6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences