CVE-2026-116634
Tenable Plugin
Checking the public Tenable catalog…
AI Threat Summary
CVE-2026-116634 is a moderate vulnerability with a CVSS score of 5.9 affecting the target software. Authentication can be bypassed allowing unauthenticated access. Threat hunters should monitor for exploit attempts and apply vendor patches immediately.
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.
Attack Chain
Attacker identifies authentication endpoint and tests for bypass conditions
Attacker exploits CVE-2026-116634 authentication flaw to gain unauthorized access without valid credentials
Attacker enumerates accessible resources, users, and configurations
Attacker exfiltrates sensitive data accessible without proper authorization
MITRE ATT&CK Techniques
Indicators of Compromise
| Type | Value | Description | |
|---|---|---|---|
| user_agent | Mozilla/5.0 (compatible; exploit/1.0) |
Generic exploit scanner user agent pattern | |
| url | /api/vuln-endpoint?payload=<malicious> |
Exploit attempt against application endpoint — monitor access logs for anomalous params |
Remediation
Quick Facts
| CVE ID | CVE-2026-116634 |
| CVSS Score | 5.9 |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| Published | 2026-10-26 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://github.com/cheaper-inference/OmniRoute
- https://github.com/cheaper-inference/OmniRoute/blob/c1e30b76…
- https://github.com/cheaper-inference/OmniRoute/blob/c1e30b76…
- https://github.com/cheaper-inference/OmniRoute/commit/44a296…
- https://github.com/cheaper-inference/OmniRoute/pull/17053
- https://github.com/cheaper-inference/OmniRoute/releases/tag/…
- https://www.vulncheck.com/advisories/omniroute-3.8.50-before…