PT-2026-22151 · Flair · Flair

Esteban Tonglet · Published 2026-02-26 · Updated 2026-03-03 · CVE-2026-3071

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Flair versions 0.4.1 through latest

Description The deserialization of untrusted data in the LanguageModel class can lead to arbitrary code execution when loading a malicious model.

Recommendations Versions prior to 0.4.1 are not affected. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-3071

Affected Products

Flair

References · 7

• 🔥 https://hiddenlayer.com/sai-security-advisory/2026-02-flair · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-3071 · Security Note
• https://twitter.com/CVEnew/status/2027099256335810854 · Twitter Post
• https://twitter.com/CveTodo/status/2027043116054679814 · Twitter Post
• https://twitter.com/cracbot/status/2028787661365035346 · Twitter Post
• https://t.me/CVEtracker/45853 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2027057455742480662 · Twitter Post