CVE-2026-77645

{"id": "CVE-2026-77645", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-77645", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-21T00:00:00+00:00"}}], "cvssMetricV40": [{"type": "Secondary", "source": "0b655efc-079c-4cb9-9e8d-164871239f4e", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "USER", "baseScore": 9.2, "Automatable": "YES", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "CONCENTRATED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/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:Y/R:U/V:C/RE:M/U:Red", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "RED", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "MODERATE", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "0b655efc-079c-4cb9-9e8d-164871239f4e", "affectedData": [{"vendor": "PTC", "product": "Windchill PDMLink", "versions": [{"status": "affected", "version": "11.0 M030"}, {"status": "affected", "version": "11.1 M020"}, {"status": "affected", "version": "11.2.1.0"}, {"status": "affected", "version": "12.0.2.0"}, {"status": "affected", "version": "12.1.2.0"}, {"status": "affected", "version": "13.0.2.0"}, {"status": "affected", "version": "13.1.0.0"}, {"status": "affected", "version": "13.1.1.0"}, {"status": "affected", "version": "13.1.2.0"}, {"status": "affected", "version": "13.1.3.0"}], "defaultStatus": "unaffected"}, {"vendor": "PTC", "product": "FlexPLM", "versions": [{"status": "affected", "version": "11.0 M030"}, {"status": "affected", "version": "11.1 M020"}, {"status": "affected", "version": "11.2.1.0"}, {"status": "affected", "version": "12.0.0.0"}, {"status": "affected", "version": "12.0.2.0"}, {"status": "affected", "version": "12.0.3.0"}, {"status": "affected", "version": "12.1.2.0"}, {"status": "affected", "version": "12.1.3.0"}, {"status": "affected", "version": "13.0.2.0"}, {"status": "affected", "version": "13.0.3.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-20T22:18:06.510", "references": [{"url": "https://www.ptc.com/en/support/article/CS474826", "source": "0b655efc-079c-4cb9-9e8d-164871239f4e"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "0b655efc-079c-4cb9-9e8d-164871239f4e", "description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data."}], "lastModified": "2026-09-09T15:52:04.827", "sourceIdentifier": "0b655efc-079c-4cb9-9e8d-164871239f4e"}