SSRF in Harnessrouter
CVE-2026-114362
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Harnessrouter — versions 0.31.0, 0.31.1, 0.31.10
Weakness classification (CWE)
References
- vuldb.com/vuln/424709 (technical-description, vdb-entry)
- vuldb.com/vuln/424709/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-114362 (third-party-advisory)
- vuldb.com/submit/1019387 (third-party-advisory)
- github.com/HarnessRouter/harnessrouter/security/advisories/GHSA-c5g7-c47h-f6c3 (related)
- github.com/HarnessRouter/harnessrouter/pull/429 (issue-tracking, patch)
- github.com/HarnessRouter/harnessrouter/commit/1c4b1fc1f89737dabd089ac1d1c174a57… (patch)
- github.com/HarnessRouter/harnessrouter/releases/tag/v0.31.13 (patch)
- github.com/HarnessRouter/harnessrouter/ (product)
Frequently asked questions
- What is CVE-2026-114362?
- CVE-2026-114362 is a medium-severity vulnerability in Harnessrouter, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-10-21.
- How severe is CVE-2026-114362?
- Medium severity. CVSS v3 base score is 6.3 out of 10.