CVE-2026-116634

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 v3 5.9 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

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

Configurations

No configuration.

History

26 Oct 2026, 18:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-26 18:17

Updated : 2026-10-26 20:17

NVD link : CVE-2026-116634

Mitre link : CVE-2026-116634

CVE.ORG link : CVE-2026-116634

JSON object : View

Products Affected

No product.

CWE

CWE-306

Missing Authentication for Critical Function

{"id": "CVE-2026-116634", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-116634", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-26T19:29:48.582247Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.2}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.2, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"vendor": "cheaper-inference", "product": "OmniRoute", "versions": [{"status": "affected", "version": "3.8.50", "lessThan": "3.8.52", "versionType": "semver"}], "packageURL": "pkg:npm/omniroute", "defaultStatus": "unaffected"}]}], "published": "2026-10-26T18:17:45.677", "references": [{"url": "https://github.com/cheaper-inference/OmniRoute", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/cheaper-inference/OmniRoute/blob/c1e30b7676975feb298b49eff6ff58923c04b89e/src/app/api/sync/tokens/route.ts#L28-L30", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/cheaper-inference/OmniRoute/blob/c1e30b7676975feb298b49eff6ff58923c04b89e/src/server/authz/routeGuard.ts#L154-L167", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/cheaper-inference/OmniRoute/commit/44a29611bf088e351d8d40eacaabdc1794ed0c61", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/cheaper-inference/OmniRoute/pull/17053", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/cheaper-inference/OmniRoute/releases/tag/v3.8.52", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/omniroute-3.8.50-before-3.8.52-missing-authentication-via-api-sync-tokens", "source": "disclosure@vulncheck.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-306"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-10-26T20:17:55.750", "sourceIdentifier": "disclosure@vulncheck.com"}