cheaper-inference OmniRoute up to 3.8.51 /api/sync/tokens missing authentication

Summaryinfo

A vulnerability was found in cheaper-inference OmniRoute up to 3.8.51. It has been classified as critical. Impacted is an unknown function of the file /api/sync/tokens. Performing a manipulation results in missing authentication. This vulnerability is known as CVE-2026-116634. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in cheaper-inference OmniRoute up to 3.8.51. This affects an unknown code block of the file /api/sync/tokens. The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-116634 since 10/26/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

Upgrading to version 3.8.52 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• cheaper-inference

Name

• OmniRoute

Version

• 3.8.0
• 3.8.1
• 3.8.2
• 3.8.3
• 3.8.4
• 3.8.5
• 3.8.6
• 3.8.7
• 3.8.8
• 3.8.9
• 3.8.10
• 3.8.11
• 3.8.12
• 3.8.13
• 3.8.14
• 3.8.15
• 3.8.16
• 3.8.17
• 3.8.18
• 3.8.19
• 3.8.20
• 3.8.21
• 3.8.22
• 3.8.23
• 3.8.24
• 3.8.25
• 3.8.26
• 3.8.27
• 3.8.28
• 3.8.29
• 3.8.30
• 3.8.31
• 3.8.32
• 3.8.33
• 3.8.34
• 3.8.35
• 3.8.36
• 3.8.37
• 3.8.38
• 3.8.39
• 3.8.40
• 3.8.41
• 3.8.42
• 3.8.43
• 3.8.44
• 3.8.45
• 3.8.46
• 3.8.47
• 3.8.48
• 3.8.49
• 3.8.50
• 3.8.51

Website

• Product: https://github.com/cheaper-inference/OmniRoute/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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