TI-2026-02655 Aliases CVE-2026-3071 GHSA-6v6h-v95w-6g6x

Deserialization of untrusted data in Flair

HIGH 72CWE-502Published 2026-02-26 · Updated 2026-02-27

Key facts

Attack vector: Local
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00179 7th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Flair	Flair	0.4.1 and later	—	No fix listed	CNA

Flair VendorFlair Affected 0.4.1 and later Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-3071
2026-10-03 Alias added: GHSA-6v6h-v95w-6g6x

References

Other 1

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

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences