CVE-2026-86539
highknowns through 0.33.0 contains a server-side request forgery vulnerability in the POST /api/embedding-models/test endpoint that issues outbound requests to cal…
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.
CVSS
7.2
7.2 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-09-07 23:16
Modified: 2026-09-09 15:17
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-27 06:51 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/server/routes/embedding_models.... disclosure@vulncheck.com
- https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/server/routes/imports.go#L317-L... disclosure@vulncheck.com
- https://github.com/knowns-dev/knowns/security/advisories/GHSA-qx9v-m9gg-p5jg disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/knowns-through-0.33.0-server-side-request-forgery-via... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:51 UTC · record ↗