{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63077", "assignerOrgId": "547ada31-17d8-4964-bc5f-1b8238ba8014", "state": "PUBLISHED", "assignerShortName": "JetBrains", "dateReserved": "2026-07-15T15:12:38.892Z", "datePublished": "2026-07-27T16:44:32.290Z", "dateUpdated": "2026-08-06T03:55:21.297Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "547ada31-17d8-4964-bc5f-1b8238ba8014", "shortName": "JetBrains", "dateUpdated": "2026-07-27T16:44:32.290Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-502", "cweId": "CWE-502"}]}], "affected": [{"vendor": "JetBrains", "product": "TeamCity", "versions": [{"version": "0", "status": "affected", "lessThan": "2026.1.3, 2025.11.7", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol"}], "references": [{"url": "https://www.jetbrains.com/privacy-security/issues-fixed/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-27T00:00:00+00:00", "options": [{"Exploitation": "active"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-63077"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2026-08-05", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-63077"}}}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-63077", "tags": ["government-resource"]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-06T03:55:21.297Z"}, "timeline": [{"time": "2026-08-05T00:00:00.000Z", "lang": "en", "value": "CVE-2026-63077 added to CISA KEV"}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-63077", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-05T17:46:04.215479Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2026-08-05", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-63077"}}}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-63077", "tags": ["government-resource"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-27T17:30:49.851Z"}, "timeline": [{"lang": "en", "time": "2026-08-05T00:00:00.000Z", "value": "CVE-2026-63077 added to CISA KEV"}]}], "cna": {"metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "JetBrains", "product": "TeamCity", "versions": [{"status": "affected", "version": "0", "lessThan": "2026.1.3, 2025.11.7", "versionType": "semver"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.jetbrains.com/privacy-security/issues-fixed/"}], "descriptions": [{"lang": "en", "value": "In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol"}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-502", "description": "CWE-502"}]}], "providerMetadata": {"orgId": "547ada31-17d8-4964-bc5f-1b8238ba8014", "shortName": "JetBrains", "dateUpdated": "2026-07-27T16:44:32.290Z"}}}, "cveMetadata": {"cveId": "CVE-2026-63077", "state": "PUBLISHED", "dateUpdated": "2026-08-06T03:55:21.297Z", "dateReserved": "2026-07-15T15:12:38.892Z", "assignerOrgId": "547ada31-17d8-4964-bc5f-1b8238ba8014", "datePublished": "2026-07-27T16:44:32.290Z", "assignerShortName": "JetBrains"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "TeamCity", "vendor": "JetBrains", "versions": [{"lessThan": "2026.1.3, 2025.11.7", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "[email protected]"}], "cisaActionDue": "2026-08-08", "cisaExploitAdd": "2026-08-05", "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.", "cisaVulnerabilityName": "JetBrains TeamCity Deserialization of Untrusted Data Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*", "matchCriteriaId": "4F865D53-6163-4A62-B8C1-06F45DA28E3C", "versionEndExcluding": "2025.11.7", "vulnerable": true}, {"criteria": "cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*", "matchCriteriaId": "4CD39F06-B4AA-4300-B763-9362E98D50D6", "versionEndExcluding": "2026.1.3", "versionStartIncluding": "2026.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol"}], "id": "CVE-2026-63077", "lastModified": "2026-08-06T05:17:05.170", "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": "[email protected]", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-63077", "options": [{"exploitation": "active"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-27T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-07-27T17:16:38.830", "references": [{"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://www.jetbrains.com/privacy-security/issues-fixed/"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-63077"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "[email protected]", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2025.11.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2026.1.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "TeamCity", "source": "cna", "vendor": "JetBrains"}, "product": "teamcity", "vendor": "jetbrains"}], "created": "2026-07-27T18:30:17.738343+00:00", "updated": "2026-08-10T23:15:05.953118+00:00", "vendors": ["jetbrains", "jetbrains$PRODUCT$teamcity"]}