Vulnerability · Published Oct 21, 2026 · Assigned by VulDB
CVE-2026-114362HarnessRouter Targets Test Endpoint app.py server-side request forgery
Medium 6.3
In plain English
A medium-severity server-side request forgery in HarnessRouter. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Official description
A flaw has been found in HarnessRouter up to 0.31.12. This impacts an unknown function of the file gateway/app.py of the component Targets Test Endpoint. Executing a manipulation of the argument base_url can lead to server-side request forgery. The attack may be performed from remote. Upgrading to version 0.31.13 will fix this issue. This patch is called 1c4b1fc1f89737dabd089ac1d1c174a57f764e28. It is suggested to upgrade the affected component.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | HarnessRouter | 0.31.00.31.10.31.20.31.30.31.40.31.50.31.60.31.7 |
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
References
- VDB-424709 | HarnessRouter Targets Test Endpoint app.py server-side request forgery vdb-entry, technical-description
- VDB-424709 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-114362 | CVE Analysis and Report third-party-advisory
- Submit #1019387 | harnessrouter >= 0.9.0, < 0.31.13 Server-Side Request Forgery third-party-advisory
- https://github.com/HarnessRouter/harnessrouter/security/advisories/GHSA-c5g7-c47h-f6c3 related
- https://github.com/HarnessRouter/harnessrouter/pull/429 issue-tracking, patch
- https://github.com/HarnessRouter/harnessrouter/commit/1c4b1fc1f89737dabd089ac1d1c174a57f764e28 patch
- https://github.com/HarnessRouter/harnessrouter/releases/tag/v0.31.13 patch
- https://github.com/HarnessRouter/harnessrouter/ product