CVE-2026-86539
Severity CVSS v4.0:
MEDIUM
Type:
CWE-918
Server-Side Request Forgery (SSRF)
Publication date:
07/09/2026
Last modified:
07/09/2026
Description
knowns through 0.33.0 contains a server-side request forgery vulnerability in the POST /api/embedding-models/test endpoint that issues outbound requests to caller-supplied destinations without validation. Attackers can enumerate internal hosts and cloud metadata endpoints by observing transport error messages that reveal network reachability information.
Impact
Base Score 4.0
6.90
Severity 4.0
MEDIUM
Base Score 3.x
7.20
Severity 3.x
HIGH
References to Advisories, Solutions, and Tools
- https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/server/routes/embedding_models.go#L64-L110
- https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/server/routes/imports.go#L317-L330
- https://github.com/knowns-dev/knowns/security/advisories/GHSA-qx9v-m9gg-p5jg
- https://www.vulncheck.com/advisories/knowns-through-0.33.0-server-side-request-forgery-via-embedding-models-endpoint


