Immutability check bypass in training-operator PyTorchJob webhook
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
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- Attack complexity
- —
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- —
- Fix status
- No fix listed
No CVSS vector from any source. Fix status from CNA and Red Hat. Impact type from CWE-693.
Summary
The training-operator in Red Hat OpenShift AI (RHOAI) is affected. An incorrect object cast in the PyTorchJob ValidateUpdate webhook (CWE-693) lets a user bypass an immutability check. A user could detach a queued job from its quota management system or take over controller ownership of a running job. The primary impact is a denial of service.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Description from the CNA
A flaw was found in the training-operator. An incorrect object casting in the PyTorchJob ValidateUpdate webhook allows users to bypass an immutability check. This vulnerability could enable users to detach a queued job from its quota management system or hijack a running job's controller ownership. The primary impact is a Denial of Service (DoS) condition.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
The sources list no fixed version for Red Hat OpenShift AI (RHOAI).
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift AI (RHOAI) | Affected | — |
Timeline
- 2026-11-06 Threatist record created from CVE-2026-83494
- 2026-11-06 Affected versions changed · Red Hat
- 2026-11-06 Alias added: GHSA-4452-5gpc-g9w6
References
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Sources
- CVE-2026-83494 · CVE Program
- CVE-2026-83494 · NVD
- FIRST EPSS
- GHSA-4452-5gpc-g9w6 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-83494 · Red Hat security data · CC BY 4.0
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