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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. This issue affects Windchill PDMLink: 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; FlexPLM: 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.

PUBLISHED Reserved 2026-03-23 | Published 2026-03-23 | Updated 2026-03-24 | Assigner PTC




CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/AU:Y/R:U/V:C/RE:M/U:Red

Problem types

CWE-94: Improper Control of Generation of Code ('Code Injection')

Product status

Default status
unknown

11.0 M030 (semver)
affected

11.1 M020 (semver)
affected

11.2.1.0 (semver)
affected

12.0.2.0 (semver)
affected

12.1.2.0 (semver)
affected

13.0.2.0 (semver)
affected

13.1.0.0
affected

13.1.1.0
affected

13.1.2.0
affected

13.1.3.0
affected

Default status
unknown

11.0 M030
affected

11.1 M020
affected

11.2.1.0
affected

12.0.0.0
affected

12.0.2.0
affected

12.0.3.0
affected

12.1.2.0
affected

12.1.3.0
affected

13.0.2.0
affected

13.0.3.0
affected

References

www.ptc.com/...thx5-BsrjKdpZi50wL6l6Bt21Fz0gUub2cIPgdPGV5bNl vendor-advisory mitigation

cve.org (CVE-2026-4681)

nvd.nist.gov (CVE-2026-4681)

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