Critical Bypass Access Control Vulnerability Reported for Windchill Risk and Reliability (WRR) Enterprise Edition
Priority MEDIUM 48CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
A critical bypass access control vulnerability has been reported in PTC Windchill Risk and Reliability (WRR) Enterprise Edition.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0043 37th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-77644
- 2026-10-03 Alias added: GHSA-5hvp-9mcx-5245
References
More PTC vulnerabilities
- TI-2026-10780 Remote Code Execution (RCE) vulnerability in Windchill PDMlink KEVCVSS 4.0CRITICAL 9.3
- TI-2023-00715 Improper array index validation in PTC ThingWorx Edge C-SDK CVSS 3.1CRITICAL 9.8
- TI-2022-08956 PTC Axeda agent and Axeda Desktop Server Missing Authentication For Critical Function CVSS 3.1CRITICAL 9.8
- TI-2020-16591 Stack-based buffer overflow in PTC Kepware KEPServerEX; ThingWorx Industrial… CVSS 3.1CRITICAL 9.8
- TI-2022-02619 Stack-based buffer overflow in Kepware KEPServerEX CVSS 3.1CRITICAL 9.8
- TI-2023-00714 Integer overflow in PTC ThingWorx Edge C-SDK CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-77644 · CVE Program
- CVE-2026-77644 · NVD
- FIRST EPSS
- GHSA-5hvp-9mcx-5245 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences