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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
cheaper-inference OmniRoute unaffected
Version Status Constraints
3.8.50 affected < 3.8.52

No data.

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/cheaper-inference/OmniRoute cve-icon cve-icon
https://github.com/cheaper-inference/OmniRoute/blob/c1e30b7676975feb298b49eff6ff58923c04b89e/src/app/api/sync/tokens/route.ts#L28-L30 cve-icon cve-icon
https://github.com/cheaper-inference/OmniRoute/blob/c1e30b7676975feb298b49eff6ff58923c04b89e/src/server/authz/routeGuard.ts#L154-L167 cve-icon cve-icon
https://github.com/cheaper-inference/OmniRoute/commit/44a29611bf088e351d8d40eacaabdc1794ed0c61 cve-icon cve-icon
https://github.com/cheaper-inference/OmniRoute/pull/17053 cve-icon cve-icon
https://github.com/cheaper-inference/OmniRoute/releases/tag/v3.8.52 cve-icon cve-icon
https://www.vulncheck.com/advisories/omniroute-3.8.50-before-3.8.52-missing-authentication-via-api-sync-tokens cve-icon cve-icon
History

Mon, 26 Oct 2026 19:45:00 +0000

Type Values Removed Values Added
First Time appeared Cheaper-inference
Cheaper-inference omniroute
Vendors & Products Cheaper-inference
Cheaper-inference omniroute

Mon, 26 Oct 2026 18:15:00 +0000

Type Values Removed Values Added
Description 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.
Title OmniRoute 3.8.50 before 3.8.52 Missing Authentication via /api/sync/tokens
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-26T19:34:36.562Z

Reserved: 2026-10-26T17:55:45.673Z

Link: CVE-2026-116634

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-26T18:17:45.677

Modified: 2026-10-26T20:17:55.750

Link: CVE-2026-116634

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-26T20:30:15Z

Weaknesses