VULNRABLE / Vulnerability / CVE-2026-96639

CVE-2026-96639

CRITICAL WATCH pillow OSV

Exploit verdict: CVSS 9.5 · critical severity

CVSS Score

9.5

Severity

CRITICAL

EPSS

Source

OSV

Summary

Pillow multi-frame loaders can reuse stale native image storage after mode transitions

What this means

CVE-2026-96639 is a critical-severity vulnerability affecting pillow, rated CVSS 9.5. The EPSS model estimates a 1% probability of exploitation in the next 30 days. Published October 22, 2026.

View full advisory at OSV →