Critical Bypass Access Control Vulnerability Reported for Windchill Risk and Reliability (WRR) Enterprise Edition

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-77644
StatePUBLISHED
AssignerPTC
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-20 22:18:06 UTC
Updated2026-08-22 04:18:18 UTC
DescriptionA critical bypass access control vulnerability has been reported in PTC Windchill Risk and Reliability (WRR) Enterprise Edition.

Risk And Classification

Primary CVSS: v4.0 9.3 CRITICAL from 0b655efc-079c-4cb9-9e8d-164871239f4e

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/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:X/R:X/V:X/RE:M/U:Red

EPSS: 0.003130000 probability, percentile 0.242540000 (date 2026-08-21)

Problem Types: CWE-306 | CWE-620 | CWE-306 CWE-306 Missing authentication for critical function | CWE-620 CWE-620 Unverified password change

VersionSourceTypeScoreSeverityVector
4.00b655efc-079c-4cb9-9e8d-164871239f4eSecondary9.3CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS9.3CRITICALCVSS: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/...

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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/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:X/R:X/V:X/RE:M/U:Red

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA PTC Windchill Risk And Reliability Enterprise Edition Formerly Relex affected 11.1 13.1 custom Not specified

References

ReferenceSourceLinkTags
www.ptc.com/en/support/article/CS474818 0b655efc-079c-4cb9-9e8d-164871239f4e www.ptc.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Romain J. of Devoteam - Purple (en)

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