What is CVE-2026-31253?

CVE-2026-31253 is a high-severity vulnerability in N/a, classified under Code Injection. CVSS score: 7.3/10. Published 2026-05-11.

How severe is CVE-2026-31253?

High severity. CVSS v3 base score is 7.3 out of 10.

RCE in N/a

CVE-2026-31253

The flash-attention training framework thru commit e724e2588cbe754beb97cf7c011b5e7e34119e62 (2025-13-04) contains an insecure deserialization vulnerability (CWE-502) in its checkpoint loading mechanism. The load_checkpoint() function in ch…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.000 (14.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-94 — Code Injection
CWE-502 — Deserialization of Untrusted Data

References

cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-31253?: CVE-2026-31253 is a high-severity vulnerability in N/a, classified under Code Injection. CVSS score: 7.3/10. Published 2026-05-11.
How severe is CVE-2026-31253?: High severity. CVSS v3 base score is 7.3 out of 10.