VULNRABLE / Vulnerability / CVE-2026-63435

CVE-2026-63435

MEDIUM LOW mail GHSA

Exploit verdict: No active-exploit signal

CVSS Score

5.5

Severity

MEDIUM

EPSS

Source

GHSA

Summary

Mail: Email address spoofing via malformed RFC 2047 encoded-words

What this means

CVE-2026-63435 is a medium-severity vulnerability affecting mail, rated CVSS 5.5. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published September 3, 2026.

View full advisory at GHSA →