Medium 5.9Published Oct 26, 2026

CVE-2026-116634OmniRoute 3.8.50 before 3.8.52 Missing Authentication via /api/sync/tokens

Updated under an hour ago (Oct 30, 2026, 5:00 AM ET)

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It affects cheaper-inference OmniRoute. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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OmniRoute 3.8.50 before 3.8.52 contains a missing authentication vulnerability that allows unauthenticated attackers to issue sync tokens via POST /api/sync/tokens when requireLogin is disabled. Attackers can use the issued token against GET /api/sync/bundle to retrieve decrypted provider credentials and plaintext API keys, with tokens persisting after login is re-enabled.

CVSS: 5.9 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-306
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 26, 2026
First seen by InfoSec Signals: Oct 26, 2026

Affected products

Affected products

cheaper-inference OmniRoute cheaper_inference:omniroute (from the name)	from 3.8.50 before 3.8.52	CNA record

References

References

https://github.com/cheaper-inference/OmniRoute/pull/17053	patch, issue-tracking
https://github.com/cheaper-inference/OmniRoute/commit/44a29611bf088e351d8d40eacaabdc1794ed0c61	patch
https://github.com/cheaper-inference/OmniRoute/blob/c1e30b7676975feb298b49eff6ff58923c04b89e/src/app/api/sync/tokens/route.ts#L28-L30	technical-description
https://github.com/cheaper-inference/OmniRoute/blob/c1e30b7676975feb298b49eff6ff58923c04b89e/src/server/authz/routeGuard.ts#L154-L167	technical-description
https://github.com/cheaper-inference/OmniRoute/releases/tag/v3.8.52	release-notes
https://github.com/cheaper-inference/OmniRoute	product
https://www.vulncheck.com/advisories/omniroute-3.8.50-before-3.8.52-missing-authentication-via-api-sync-tokens	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.