{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55494", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-16T22:28:27.062Z", "datePublished": "2026-09-30T16:58:27.259Z", "dateUpdated": "2026-09-30T17:13:11.077Z"}, "containers": {"cna": {"title": "Tugtainer: Unauthenticated access to Tugtainer Agent Docker management APIs when AGENT_SECRET is unset", "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "lang": "en", "description": "CWE-284: Improper Access Control", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/Quenary/tugtainer/security/advisories/GHSA-wgw2-c96g-p7h7", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Quenary/tugtainer/security/advisories/GHSA-wgw2-c96g-p7h7"}, {"name": "https://github.com/Quenary/tugtainer/commit/0052a5544e187a4d12f771838a8a23ca4afb61cd", "tags": ["x_refsource_MISC"], "url": "https://github.com/Quenary/tugtainer/commit/0052a5544e187a4d12f771838a8a23ca4afb61cd"}, {"name": "https://github.com/Quenary/tugtainer/releases/tag/v1.30.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/Quenary/tugtainer/releases/tag/v1.30.4"}], "affected": [{"vendor": "Quenary", "product": "tugtainer", "versions": [{"version": "< 1.30.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-30T16:58:27.259Z"}, "descriptions": [{"lang": "en", "value": "Tugtainer is a self-hosted app for automating updates of Docker containers. Prior to version 1.30.4, Tugtainer Agent allows unauthenticated access to Docker management APIs when AGENT_SECRET is not configured. The Agent uses request signatures to protect its API routes. However, in agent/auth.py, the signature verification function returns successfully if Config.AGENT_SECRET is empty. This causes protected Agent APIs to become accessible without authentication. This issue has been patched in version 1.30.4."}], "source": {"advisory": "GHSA-wgw2-c96g-p7h7", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/Quenary/tugtainer/security/advisories/GHSA-wgw2-c96g-p7h7", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-30T17:12:48.476039Z", "id": "CVE-2026-55494", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-30T17:13:11.077Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": "tugtainer", "vendor": "Quenary", "versions": [{"status": "affected", "version": "< 1.30.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Tugtainer is a self-hosted app for automating updates of Docker containers. Prior to version 1.30.4, Tugtainer Agent allows unauthenticated access to Docker management APIs when AGENT_SECRET is not configured. The Agent uses request signatures to protect its API routes. However, in agent/auth.py, the signature verification function returns successfully if Config.AGENT_SECRET is empty. This causes protected Agent APIs to become accessible without authentication. This issue has been patched in version 1.30.4."}], "id": "CVE-2026-55494", "lastModified": "2026-09-30T17:16:47.100", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-30T17:16:47.100", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Quenary/tugtainer/commit/0052a5544e187a4d12f771838a8a23ca4afb61cd"}, {"source": "security-advisories@github.com", "url": "https://github.com/Quenary/tugtainer/releases/tag/v1.30.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/Quenary/tugtainer/security/advisories/GHSA-wgw2-c96g-p7h7"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

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