What is CVE-2025-3262?

CVE-2025-3262 is a high-severity vulnerability in Huggingface Huggingface/transformers, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2025-07-07.

How severe is CVE-2025-3262?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Huggingface Huggingface/transformers

CVE-2025-3262

A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in the huggingface/transformers repository, specifically in version 4.49.0. The vulnerability is due to inefficient regular expression complexity in the `SETTING_R…

Vulnerability class: ReDoS (Regular Expression Denial of Service)

EPSS: 0.004 (34.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Huggingface Huggingface/transformers — versions unspecified
Huggingface Transformers

Weakness classification (CWE)

CWE-1333 — Inefficient Regular Expression Complexity

References

security@huntr.dev (Exploit, Third Party Advisory)
security@huntr.dev (Patch)

Frequently asked questions

What is CVE-2025-3262?: CVE-2025-3262 is a high-severity vulnerability in Huggingface Huggingface/transformers, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2025-07-07.
How severe is CVE-2025-3262?: High severity. CVSS v3 base score is 7.5 out of 10.