CVE-2026-17061 Deserialization of Untrusted Data Vulnerability in SIMULIA Execution Engine from Release 2023 through Release 2026
Unauthenticated attackers can achieve remote code execution via deserialization of untrusted data in SIMULIA Execution Engine.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-17061?
CVE-2026-17061 is a critical unsafe deserialization vulnerability in Dassault Systèmes SIMULIA Execution Engine, published on 11 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Deserialization of Untrusted Data vulnerability affecting SIMULIA Execution Engine from Release 2023 through Release 2026 could lead to an unauthenticated remote code execution.
Weakness: CWE-502
Which versions are affected by CVE-2026-17061?
How do I fix CVE-2026-17061?
No fix has been published for CVE-2026-17061 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-17061 being exploited?
There is no known exploitation of CVE-2026-17061 in the wild and no public exploit code.
Sources
Also known as GHSA-qfh4-7rqm-ph5w.