CVE-2026-44211

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-44211", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-05T15:13:47.571Z", "datePublished": "2026-06-01T16:01:55.587Z", "dateUpdated": "2026-06-04T03:55:45.848Z"}, "containers": {"cna": {"title": "Cline Kanban Server has a Cross-Origin WebSocket Hijacking Vulnerability", "problemTypes": [{"descriptions": [{"cweId": "CWE-306", "lang": "en", "description": "CWE-306: Missing Authentication for Critical Function", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-1385", "lang": "en", "description": "CWE-1385: Missing Origin Validation in WebSockets", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2"}], "affected": [{"vendor": "cline", "product": "cline", "versions": [{"version": "<= 2.13.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-01T16:01:55.587Z"}, "descriptions": [{"lang": "en", "value": "Cline is an autonomous coding agent as an SDK, IDE extension, or CLI assistant. In versions 2.13.0 and prior, there is a cross-origin WebSocket hijack vulnerability in Cline Kanban servers. At time of publication, there are no publicly available patches."}], "source": {"advisory": "GHSA-5c57-rqjx-35g2", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-03T00:00:00+00:00", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-44211"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-04T03:55:45.848Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-44211", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-06-01T17:45:13.878957Z"}}}], "references": [{"url": "https://github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-01T17:44:58.723Z"}}], "cna": {"title": "Cline Kanban Server has a Cross-Origin WebSocket Hijacking Vulnerability", "source": {"advisory": "GHSA-5c57-rqjx-35g2", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.6, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "cline", "product": "cline", "versions": [{"status": "affected", "version": "<= 2.13.0"}]}], "references": [{"url": "https://github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2", "name": "https://github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2", "tags": ["x_refsource_CONFIRM"]}], "descriptions": [{"lang": "en", "value": "Cline is an autonomous coding agent as an SDK, IDE extension, or CLI assistant. In versions 2.13.0 and prior, there is a cross-origin WebSocket hijack vulnerability in Cline Kanban servers. At time of publication, there are no publicly available patches."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-306", "description": "CWE-306: Missing Authentication for Critical Function"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1385", "description": "CWE-1385: Missing Origin Validation in WebSockets"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-01T16:01:55.587Z"}}}, "cveMetadata": {"cveId": "CVE-2026-44211", "state": "PUBLISHED", "dateUpdated": "2026-06-04T03:55:45.848Z", "dateReserved": "2026-05-05T15:13:47.571Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-06-01T16:01:55.587Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "cline", "vendor": "cline", "versions": [{"status": "affected", "version": "<= 2.13.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cline:cline:*:*:*:*:*:*:*:*", "matchCriteriaId": "8BE928D0-2AAF-4A17-A52F-14690B8DC498", "versionEndIncluding": "2.13.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cline is an autonomous coding agent as an SDK, IDE extension, or CLI assistant. In versions 2.13.0 and prior, there is a cross-origin WebSocket hijack vulnerability in Cline Kanban servers. At time of publication, there are no publicly available patches."}, {"lang": "es", "value": "Cline es un agente de codificaci\u00f3n aut\u00f3nomo como un SDK, extensi\u00f3n de IDE o asistente de CLI. En las versiones 2.13.0 y anteriores, existe una vulnerabilidad de secuestro de WebSocket de origen cruzado en los servidores Kanban de Cline. En el momento de la publicaci\u00f3n, no hay parches disponibles p\u00fablicamente."}], "id": "CVE-2026-44211", "lastModified": "2026-07-22T07:10:00.107", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-44211", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-03T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-06-01T17:17:07.617", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}, {"lang": "en", "value": "CWE-1385"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.13.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "cline", "source": "cna", "vendor": "cline"}, "product": "cline", "vendor": "cline"}], "created": "2026-06-01T18:45:34.340510+00:00", "updated": "2026-06-01T19:45:20.177804+00:00", "vendors": ["cline", "cline$PRODUCT$cline"]}