CVE-2026-91925
HighCVSS 8.8Exploitation Probability (EPSS)
Elevated risk54th percentile - higher than 54% of all known CVEs
Summary
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 OS commands in the scheduler process context.
Risk Assessment
An authenticated attacker can execute arbitrary code in the scheduler context, gaining access to database credentials and service tokens, potentially leading to full environment compromise.
Recommendation
Update Polyaxon to a version newer than 2.16.4; until then, restrict platform access to trusted users only and consider disabling or limiting Jinja2 rendering in specification fields.
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Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

