CVE-2026-86539
knowns through 0.33.0 Server-Side Request Forgery via embedding-models endpoint
CVSS 4.0 6.9 MEDIUMCVSS 3.1 7.2 HIGHCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-86539
Publishedknowns 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.
Read the publisher's advisoryAffected versions, risk and source history
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CVE-2026-86539 · CVE overview and exploitation status
cve-program · CVE-2026-86539
- https://github.com/knowns-dev/knowns/security/advisories/GHSA-qx9v-m9gg-p5jg
- 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://www.vulncheck.com/advisories/knowns-through-0.33.0-server-side-request-forgery-via-embedding-models-endpoint
Related changes
Linked by CVE identifierNo related changes are available here.