CVE-2026-91925 Polyaxon through 2.16.4 Server-Side Template Injection via Unsandboxed Jinja2 Engine
Authenticated attackers can execute arbitrary code via Jinja2 injection in Polyaxon run specifications, leading to OS command execution and credential exposure.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-91925?
CVE-2026-91925 is a high-severity code injection vulnerability in polyaxon, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Polyaxon through 2.16.4 renders operation specification fields with an unsandboxed Jinja2 environment during server-side run preparation, allowing authenticated users to execute arbitrary code. Attackers can submit runs with Jinja2 payloads in queue, namespace, conditions, presets, or dependencies fields to execute operating system commands in the scheduler process context, exposing database credentials and service tokens.
Weakness: CWE-1336
Which versions are affected by CVE-2026-91925?
How do I fix CVE-2026-91925?
No fix has been published for CVE-2026-91925 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-2026-91925 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-91925 exists.
Sources
Also known as GHSA-w7qq-x87w-72qx.