CVE-2026-91750 WeKnora before 0.7.0 SSRF via Unvalidated HTTP Redirects
Authenticated attackers can bypass SSRF protections via HTTP redirects to access internal services and cloud metadata in WeKnora.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-91750?
CVE-2026-91750 is a high-severity server-side request forgery vulnerability in Tencent WeKnora, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-918
Which versions are affected by CVE-2026-91750?
How do I fix CVE-2026-91750?
No fix has been published for CVE-2026-91750 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-91750 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-91750 exists.
Sources
Also known as GHSA-hvpp-w3x6-m653.