Bug 2568485 (CVE-2026-123974)

Summary: CVE-2026-123974 torchserve: torchserve: Local privilege escalation via predictable temporary directory
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerability-draftAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in TorchServe. The application extracts model files into a predictable location within the shared temporary directory. A local attacker can exploit this vulnerability to replace the model handler, enabling arbitrary code execution under the permissions of the TorchServe service account and resulting in local privilege escalation.
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Description OSIDB Bzimport 2026-11-06 20:01:26 UTC 
In all versions of PyTorch's TorchServe, a predictable extraction directory in /tmp lets a local user swap the model handler and run code as the TorchServe service account leading to local privilege escalation.