Polyaxon through 2.16.4 Server-Side Template Injection via Unsandboxed Jinja2 Engine
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-1336.
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 operating system commands in the scheduler process context, exposing database credentials and service tokens.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-91925
- 2026-10-03 Alias added: GHSA-w7qq-x87w-72qx
References
More polyaxon vulnerabilities
- TI-2024-08687 Unauthorized File Deletion in polyaxon/polyaxon CVSS 3.0HIGH 7.5
- TI-2024-08686 Directory Traversal in polyaxon/polyaxon CVSS 3.0HIGH 7.5
- TI-2024-08689 Cross-Site Request Forgery (CSRF) in polyaxon/polyaxon CVSS 3.0MEDIUM 6.5
Sources
- CVE-2026-91925 · CVE Program
- CVE-2026-91925 · NVD
- FIRST EPSS
- GHSA-w7qq-x87w-72qx · GitHub Advisory Database · CC BY 4.0
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