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Vulnerability record · CVE-2026-3071 · published 26 February 2026

CVE-2026-3071: Deserialization of untrusted data vulnerability

Deserialization of untrusted data in the LanguageModel class of Flair from versions 0.4.1 to latest are vulnerable to arbitrary code execution when loading a malicious model.

8.4 CVSS 3.1 High EPSS 0.44% · top 64.6% CWE-502 · Deserialization of untrusted data Deferred
8.4CVSS 3.1 base score
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Deserialization of untrusted data in the LanguageModel class of Flair from versions 0.4.1 to latest are vulnerable to arbitrary code execution when loading a malicious model.

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://www.hiddenlayer.com/sai-security-advisory/2026-02-flair
https://www.hiddenlayer.com/sai-security-advisory/2026-02-flair

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Source: NIST National Vulnerability Database (record CVE-2026-3071), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.