---
title: "CVE-2026-91925: Polyaxon - Remote Code Execution"
description: "Polyaxon through 2.16.4 contains a remote code execution caused by unsandboxed Jinja2 environment rendering operation specification fields during server-side run preparation, letting authenticated users execute arbitrary code remotely, exploit requires user authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-91925/
---

# CVE-2026-91925 Polyaxon - Remote Code Execution

Polyaxon through 2.16.4 contains a remote code execution caused by unsandboxed Jinja2 environment rendering operation specification fields during server-side run preparation, letting authenticated users execute arbitrary code remotely, exploit requires user authentication.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.78% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-91925)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution, Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

15 September 2026

Updated

15 October 2026

Weakness

[CWE-1336](https://cwe.mitre.org/data/definitions/1336.html)

## Vendor fix

Update to the latest version beyond 2.16.4.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-91925](https://nvd.nist.gov/vuln/detail/CVE-2026-91925)
- [https://github.com/polyaxon/cli/blob/bfea04a0bf93886f69a3195954204d9d010b55aa/cli/polyaxon/\_polyaxonfile/specs/libs/engine.py](https://github.com/polyaxon/cli/blob/bfea04a0bf93886f69a3195954204d9d010b55aa/cli/polyaxon/_polyaxonfile/specs/libs/engine.py)
- [https://github.com/polyaxon/cli/blob/bfea04a0bf93886f69a3195954204d9d010b55aa/cli/polyaxon/\_polyaxonfile/specs/sections.py](https://github.com/polyaxon/cli/blob/bfea04a0bf93886f69a3195954204d9d010b55aa/cli/polyaxon/_polyaxonfile/specs/sections.py)
- [https://github.com/polyaxon/polyaxon](https://github.com/polyaxon/polyaxon)
- [https://github.com/polyaxon/polyaxon/issues/1540](https://github.com/polyaxon/polyaxon/issues/1540)
- [https://www.vulncheck.com/advisories/polyaxon-through-2.16.4-server-side-template-injection-via-unsandboxed-jinja2-engine](https://www.vulncheck.com/advisories/polyaxon-through-2.16.4-server-side-template-injection-via-unsandboxed-jinja2-engine)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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