CVE-2026-114361: Improper Authorization in HarnessRouter
Description
CVE-2026-114361 is a medium severity vulnerability in HarnessRouter up to version 0.31.10 involving improper authorization. The flaw exists in the Identity Mode component within the gateway/app.py file, where manipulation of the X-Harness-Org or X-Harness-Member headers can bypass authorization controls. Exploitation requires high attack complexity and is considered difficult. Upgrading to version 0.31.11 addresses the issue.
CVSS v4.0
Score 6.3medium
Affected software
HarnessRouter
pkg:github/harnessrouter/harnessroutercpe:2.3:h:harnessrouter:harnessrouter:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in HarnessRouter (versions 0.31.0 through 0.31.10) arises from improper authorization checks related to the handling of the X-Harness-Org and X-Harness-Member HTTP headers in the Identity Mode component (gateway/app.py). An attacker can remotely manipulate these headers to bypass authorization mechanisms. The attack complexity is high, and exploitability is difficult. The issue is fixed in version 0.31.11 with patch 48a26cdf9c4544d2c88d1a07f0777f063f1d753f.
Potential Impact
Successful exploitation could allow an attacker to bypass authorization controls remotely, potentially gaining unauthorized access to resources or functions protected by the Identity Mode component. However, the attack complexity and exploit difficulty reduce the likelihood of widespread exploitation.
Mitigation Recommendations
Upgrade HarnessRouter to version 0.31.11 or later, which contains the official fix for this vulnerability. No other mitigations are specified or required.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-10-21T09:01:08.338Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad90f754d27ba8daae5f248
Added to database: 10/21/2026, 19:16:05 UTC
Last enriched: 10/21/2026, 19:30:55 UTC
Last updated: 10/21/2026, 19:35:24 UTC
Views: 4
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