Vulnerability Description
WeKnora before 0.7.0 fails to re-validate HTTP redirect targets in the POST /api/v1/knowledge-bases/:id/knowledge/url endpoint when downloading documents from user-supplied URLs. Authenticated attackers can bypass initial SSRF validation by supplying a public URL that redirects to internal network addresses, allowing access to internal services and cloud metadata.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/Tencent/WeKnora
- https://github.com/Tencent/WeKnora/blob/v0.6.2/internal/application/service/know
- https://github.com/Tencent/WeKnora/commit/1d322c525a6197d24f07555b4b18ad33313b43
- https://github.com/Tencent/WeKnora/issues/2511
- https://www.vulncheck.com/advisories/weknora-before-0.7.0-ssrf-via-unvalidated-h
- https://github.com/Tencent/WeKnora/issues/2511
FAQ
What is CVE-2026-91750?
CVE-2026-91750 is a vulnerability with a CVSS score of 6.5 (MEDIUM). WeKnora before 0.7.0 fails to re-validate HTTP redirect targets in the POST /api/v1/knowledge-bases/:id/knowledge/url endpoint when downloading documents from user-supplied URLs. Authenticated attacke...
How severe is CVE-2026-91750?
CVE-2026-91750 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-91750?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.