CVE-2026-86539
knowns through 0.33.0 Server-Side Request Forgery via embedding-models endpoint
- State
- Published
- Severity
- 6.9 Medium
- Published
- Sep 7, 2026
- Updated
- Sep 24, 2026
- Reserved
- Sep 7, 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N | VulnCheck |
| 3.1 | 7.2 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
knownsknowns-dev |
|
References
- GitHub Security Advisory (GHSA-qx9v-m9gg-p5jg)vendor-advisory
- Embedding-model test issues request to caller-supplied apiBase and returns the transport error (v0.33.0, unfixed)technical-description
- gitLsRemoteHead runs git ls-remote against a caller-supplied URL (v0.33.0, unfixed)technical-description
- VulnCheck Advisory: knowns through 0.33.0 Server-Side Request Forgery via embedding-models endpointthird-party-advisory
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