CVE-2026-96759 orval before 8.29.0 Code Injection via operationId
Attackers can inject arbitrary JavaScript via crafted OpenAPI operationIds, leading to code execution when generated hooks are used.
- 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-2026-96759?
CVE-2026-96759 is a critical code injection vulnerability in orval-labs orval, published on 23 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
orval before 8.29.0 fails to escape the operationId parameter when emitting it into generated TanStack Query mutator options metadata objects. Attackers can inject arbitrary JavaScript code through a crafted operationId in an OpenAPI specification that executes when generated hooks are called.
Weakness: CWE-94
Which versions are affected by CVE-2026-96759?
How do I fix CVE-2026-96759?
No fix has been published for CVE-2026-96759 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-96759 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-96759 exists.
Sources
Also known as GHSA-vg3c-9fm6-r5pj, GHSA-vv88-cm6j-665j.