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.

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
PTC Windchill unaffected
Version Status Constraints
11.0 M030 affected —
11.1 M020 affected —
11.2.1.0 affected —
12.0.2.0 affected —
12.1.2.0 affected —
13.0.2.0 affected —
13.1.0.0 affected —
13.1.1.0 affected —
13.1.2.0 affected —
13.1.3.0 affected —
13.1.4.0 affected —
PTC FlexPLM unaffected
Version Status Constraints
11.0 M030 affected —
11.1 M020 affected —
11.2.1.0 affected —
12.0.2.0 affected —
12.1.2.0 affected —
13.0.2.0 affected —
13.1.0.0 affected —
13.1.1.0 affected —
13.1.2.0 affected —
13.1.3.0 affected —

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.ptc.com/en/support/article/CS483249 cve-icon
History

Wed, 11 Nov 2026 15:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Critical Remote Code Execution (RCE) vulnerability reported in Windchill
Weaknesses CWE-20
CWE-502
References
Metrics cvssV3_1

{'score': 9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/AU:Y/RE:M/U:Amber'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: PTC

Published:

Updated: 2026-11-11T15:02:56.037Z

Reserved: 2026-11-10T20:21:06.335Z

Link: CVE-2026-126325

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses