CVE-2026-114361
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AI Threat Summary
CVE-2026-114361 is a moderate vulnerability with a CVSS score of 5.6 affecting the target software. Threat hunters should monitor for exploit attempts and apply vendor patches immediately.
Description
A vulnerability was detected in HarnessRouter up to 0.31.10. This affects an unknown function of the file gateway/app.py of the component Identity Mode. Performing a manipulation of the argument X-Harness-Org/X-Harness-Member results in improper authorization. The attack is possible to be carried out remotely. The attack is considered to have high complexity. The exploitability is reported as difficult. Upgrading to version 0.31.11 mitigates this issue. The patch is named 48a26cdf9c4544d2c88d1a07f0777f063f1d753f. The affected component should be upgraded.
Attack Chain
Attacker scans for vulnerable versions using version banners or PoC scanners
Attacker triggers CVE-2026-114361 vulnerability with a crafted request or payload
Vulnerability exploited to perform unauthorized actions on the target system
Depending on vulnerability type, attacker achieves data access, service disruption, or code execution
MITRE ATT&CK Techniques
Indicators of Compromise
| Type | Value | Description | |
|---|---|---|---|
| user_agent | Mozilla/5.0 (compatible; exploit/1.0) |
Generic exploit scanner user agent pattern | |
| url | /api/vuln-endpoint?payload=<malicious> |
Exploit attempt against application endpoint — monitor access logs for anomalous params |
Remediation
Quick Facts
| CVE ID | CVE-2026-114361 |
| CVSS Score | 5.6 |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
| Published | 2026-10-21 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://github.com/HarnessRouter/harnessrouter/
- https://github.com/HarnessRouter/harnessrouter/commit/48a26c…
- https://github.com/HarnessRouter/harnessrouter/pull/426
- https://github.com/HarnessRouter/harnessrouter/releases/tag/…
- https://github.com/HarnessRouter/harnessrouter/security/advi…
- https://vuldb.com/cve/CVE-2026-114361
- https://vuldb.com/submit/1019383
- https://vuldb.com/vuln/424708
- https://vuldb.com/vuln/424708/cti