CVE-2026-91925Polyaxon through 2.16.4 Server-Side Template Injection via Unsandboxed Jinja2 Engine
Updated under an hour ago ()
Does this affect you?
It affects polyaxon. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
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.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-1336
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
polyaxon polyaxon polyaxon:polyaxon (from the name) | through 2.16.4 | CNA record |
References
- https://github.com/polyaxon/polyaxon/issues/1540issue-tracking
- https://github.com/polyaxon/polyaxonproduct
- https://github.com/polyaxon/cli/blob/bfea04a0bf93886f69a3195954204d9d010b55aa/cli/polyaxon/_polyaxonfile/specs/libs/engine.pytechnical-description
- https://github.com/polyaxon/cli/blob/bfea04a0bf93886f69a3195954204d9d010b55aa/cli/polyaxon/_polyaxonfile/specs/sections.pytechnical-description
- https://www.vulncheck.com/advisories/polyaxon-through-2.16.4-server-side-template-injection-via-unsandboxed-jinja2-enginethird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.