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TI-2026-54115 Aliases CVE-2026-77645GHSA-qxmv-9q88-wwmw

Critical Remote Code Execution (RCE) vulnerability reported in Windchill

Priority MEDIUM 42CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Code execution
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-502.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00559 46th 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
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PTCWindchill PDMLink11.0 M030; 11.1 M020; 11.2.1.0; 12.0.2.0; 12.1.2.0; 13.0.2.0; 13.1.0.0; 13.1.1.0; 13.1.2.0; 13.1.3.0—No fix listedCNA
PTCFlexPLM11.0 M030; 11.1 M020; 11.2.1.0; 12.0.0.0; 12.0.2.0; 12.0.3.0; 12.1.2.0; 12.1.3.0; 13.0.2.0; 13.0.3.0—No fix listedCNA
  • Windchill PDMLink VendorPTC Affected 11.0 M030; 11.1 M020; 11.2.1.0; 12.0.2.0; 12.1.2.0; 13.0.2.0; 13.1.0.0; 13.1.1.0; 13.1.2.0; 13.1.3.0 Fixed in — No fix listed CNA
  • FlexPLM VendorPTC Affected 11.0 M030; 11.1 M020; 11.2.1.0; 12.0.0.0; 12.0.2.0; 12.0.3.0; 12.1.2.0; 12.1.3.0; 13.0.2.0; 13.0.3.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    PTC FlexPLM, Windchill PDMLink — ptc.com/en/support/article/CS474826

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2026-54116 Server Side Request Forgery (SSRF) vulnerability reported in WindchillPriority MEDIUM 40

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-77645
  2. 2026-10-03 Alias added: GHSA-qxmv-9q88-wwmw

References

  • 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
See all 43 →

Sources