MediumVulnerability
CVE-2026-83494: training-operator immutability check bypass in PyTorchJob ValidateUpdate webhook
- Source
- NVD(opens in a new tab)
- Identifier
- CVE-2026-83494
- Published
- Record updated
- Known exploitation
- Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
Summary
A flaw in the training-operator's PyTorchJob ValidateUpdate webhook comes from an incorrect object casting that lets users bypass an immutability check. Exploitation could detach a queued job from its quota management system or take over a running job's controller ownership. The primary impact is a Denial of Service condition.
Mitigation
The source does not state a fix yet. Check the original advisory for updates.
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