Vulnerability Description
WeKnora before 0.8.2 contains a server-side request forgery vulnerability in isRestrictedIP() that misclassifies NAT64-prefixed IPv6 addresses as public. Authenticated attackers can supply URLs resolving to NAT64 encodings of internal addresses via web_fetch or URL-based knowledge import to reach internal services or cloud metadata endpoints.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/Tencent/WeKnora
- https://github.com/Tencent/WeKnora/blob/3d5d8bfcdfeeea266b292b71cea616847af28d0f
- https://github.com/Tencent/WeKnora/commit/d7ccd5ba517cc3968e6d5000a2ab0f4b51ef1d
- https://github.com/Tencent/WeKnora/commit/ff818b681f10bc29edbc48fe35f00009dc276b
- https://github.com/Tencent/WeKnora/issues/4092
- https://github.com/Tencent/WeKnora/releases/tag/v0.8.2
- https://www.vulncheck.com/advisories/weknora-before-0.8.2-ssrf-guard-bypass-via-
FAQ
What is CVE-2026-118376?
CVE-2026-118376 is a vulnerability with a CVSS score of 5.3 (MEDIUM). WeKnora before 0.8.2 contains a server-side request forgery vulnerability in isRestrictedIP() that misclassifies NAT64-prefixed IPv6 addresses as public. Authenticated attackers can supply URLs resolv...
How severe is CVE-2026-118376?
CVE-2026-118376 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-118376?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.