What’s Vulnerable › Vulnerabilities
CVE-2026-20260: Log Injection through HTTP Request Paths in Splunk SOAR
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-10 · updated 2026-10-25
- Weakness: CWE-117
Description
In Splunk SOAR (Security Orchestration, Automation, and Response) versions below 8.5.0, an unauthenticated attacker could inject American National Standards Institute (ANSI) escape codes into SOAR application log files through specially crafted HTTP request paths, which a terminal emulator might interpret when an administrator views the logs.<br><br>The injection is possible because SOAR does not strip control characters from HTTP request paths before writing them to application logs.
Affected products
- Splunk SOAR: from 8.5 before 8.5.0 — fixed in 8.5.0
How to fix
Upgrade to a fixed version: Splunk SOAR 8.5.0. Check the vendor advisory for mitigations.
References
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