CVE-2026-20260

Log Injection through HTTP Request Paths in Splunk SOAR

Published Jun 10, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Splunk
Splunk soar
Vendors & Products Splunk
Splunk soar
Type Values Removed Values Added
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.
Title Log Injection through HTTP Request Paths in Splunk SOAR
Weaknesses CWE-117
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
cisco
Published
Updated
Jun 10, 2026, 6:23 PM
Reserved
Oct 8, 2025, 11:59 AM
Status
Awaiting Analysis
Published
Jun 10, 2026, 6:16 PM
Modified
Oct 25, 2026, 11:10 PM