HighVulnerability

CVE-2026-123974: TorchServe local privilege escalation via predictable /tmp extraction directory

Source: NVD(opens in a new tab)
Identifier: CVE-2026-123974
Published: November 6, 2026
Record updated: November 6, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.

Summary

A predictable extraction directory in /tmp in all versions of PyTorch's TorchServe lets a local user swap the model handler. The attacker can then run code as the TorchServe service account, which is a local privilege escalation.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Details

Scores and exploitation

CVSS score: 7.8(high)
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector: local
Attack complexity: low
Privileges required: low
User interaction: none
EPSS: Not scored. FIRST had not published an EPSS score for this CVE when it was last checked on November 6, 2026.
Disclosure date: November 6, 2026

Weaknesses and techniques

Weakness (CWE): CWE-379

Affected

Vendors: Meta

Classification

Attack type: Other
Attack sophistication: Moderate
AI component targeted: Inference
Impact: Integrity,
Confidentiality
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-123974

First tracked: November 6, 2026 at 07:10 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 95% (self-assessed)

Summary

Mitigation

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