Vulnerability · Published Mar 23, 2026 · Assigned by PTC
CVE-2026-4681Critical Remote Code Execution vulnerability reported in Windchill
Critical 9.3
In plain English
A critical-severity code injection in FlexPLM from PTC. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PTC | Windchill PDMLink | 11.0 M03011.1 M02011.2.1.012.0.2.012.1.2.013.0.2.013.1.0.013.1.1.0 |
| PTC | FlexPLM | 11.0 M03011.1 M02011.2.1.012.0.0.012.0.2.012.0.3.012.1.2.012.1.3.0 |
Weakness: CWE-94 · Vector: CVSS: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