VULNRABLE / Vulnerability / CVE-2025-6921

CVE-2025-6921

UNKNOWN LOW transformers OSV

Exploit verdict: No active-exploit signal

CVSS Score

—

Severity

UNKNOWN

EPSS

Source

OSV

Summary

Hugging Face Transformers vulnerable to Regular Expression Denial of Service (ReDoS) in the AdamWeightDecay optimizer

What this means

CVE-2025-6921 is a unknown-severity vulnerability affecting transformers. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published July 7, 2026.

View full advisory at OSV →