CVE-2026-4681
Critical RCE via Deserialization in PTC Windchill and FlexPLM
Publication date: 2026-03-23
Last updated on: 2026-03-23
Assigner: 0b655efc-079c-4cb9-9e8d-164871239f4e
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| ptc | windchill | 11.0_m030 |
| ptc | windchill | 11.1_m020 |
| ptc | windchill | 11.2.1.0 |
| ptc | windchill | 12.0.2.0 |
| ptc | windchill | 12.1.2.0 |
| ptc | windchill | 13.0.2.0 |
| ptc | windchill | 13.1.0.0 |
| ptc | windchill | 13.1.1.0 |
| ptc | windchill | 13.1.2.0 |
| ptc | windchill | 13.1.3.0 |
| ptc | flexplm | 11.0_m030 |
| ptc | flexplm | 11.1_m020 |
| ptc | flexplm | 11.2.1.0 |
| ptc | flexplm | 12.0.0.0 |
| ptc | flexplm | 12.0.2.0 |
| ptc | flexplm | 12.0.3.0 |
| ptc | flexplm | 12.1.2.0 |
| ptc | flexplm | 12.1.3.0 |
| ptc | flexplm | 13.0.2.0 |
| ptc | flexplm | 13.0.3.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-94 | The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
Can you explain this vulnerability to me?
This vulnerability is a critical remote code execution (RCE) flaw found in PTC Windchill and PTC FlexPLM software. It occurs due to the deserialization of untrusted data, which means that the software processes data from an untrusted source in a way that can allow an attacker to execute arbitrary code remotely.
How can this vulnerability impact me? :
Exploitation of this vulnerability can allow an attacker to execute arbitrary code on the affected system remotely without any privileges or user interaction. This can lead to full system compromise, data theft, disruption of services, or further attacks within the network.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know