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Polyaxon through 2.16.4 Server-Side Template Injection via Unsandboxed Jinja2 Engine

Type: advisorySource: Official CVE List1 source record

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.

Announced Source revision 1
Original source ↗

CVE-2026-91925

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-91925

polyaxon

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "polyaxon",
    "product": "polyaxon",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThanOrEqual": "2.16.4"
      }
    ],
    "packageURL": "pkg:pypi/polyaxon",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-91925

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#1671 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement