{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-77644", "assignerOrgId": "0b655efc-079c-4cb9-9e8d-164871239f4e", "state": "PUBLISHED", "assignerShortName": "PTC", "dateReserved": "2026-08-20T21:52:32.059Z", "datePublished": "2026-08-20T21:54:48.536Z", "dateUpdated": "2026-08-26T14:15:58.962Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "0b655efc-079c-4cb9-9e8d-164871239f4e", "shortName": "PTC", "dateUpdated": "2026-08-20T21:54:48.536Z" }, "title": "Critical Bypass Access Control Vulnerability Reported for Windchill Risk and Reliability (WRR) Enterprise Edition", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-306", "description": "CWE-306 Missing authentication for critical function", "type": "CWE" } ] }, { "descriptions": [ { "lang": "en", "cweId": "CWE-620", "description": "CWE-620 Unverified password change", "type": "CWE" } ] } ], "impacts": [ { "capecId": "CAPEC-36", "descriptions": [ { "lang": "en", "value": "CAPEC-36 Using Unpublished Interfaces or Functionality" } ] } ], "affected": [ { "vendor": "PTC", "product": "Windchill Risk and Reliability Enterprise Edition (Formerly Relex)", "versions": [ { "status": "affected", "version": "11.1", "lessThanOrEqual": "13.1", "versionType": "custom" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "A critical bypass access control vulnerability has been reported in PTC Windchill Risk and Reliability (WRR) Enterprise Edition.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "A critical bypass access control vulnerability has been reported in PTC Windchill Risk and Reliability (WRR) Enterprise Edition." } ] } ], "references": [ { "url": "https://www.ptc.com/en/support/article/CS474818", "tags": [ "vendor-advisory", "permissions-required" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "MODERATE", "providerUrgency": "RED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/RE:M/U:Red" } } ], "credits": [ { "lang": "en", "value": "Romain J. of Devoteam - Purple", "type": "reporter" } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 1.0.4" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-22T03:56:19.515879Z", "id": "CVE-2026-77644", "options": [ { "Exploitation": "none" }, { "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": "2026-08-26T14:15:58.962Z" } } ] } }