VULNRABLE / Vulnerability / CVE-2026-55549

CVE-2026-55549

MEDIUM LOW org.yamcs:yamcs-core GHSA

Exploit verdict: No active-exploit signal

CVSS Score

5.5

Severity

MEDIUM

EPSS

Source

GHSA

Summary

Yamcs has Reflected XSS in the URL of the Authorize Endpoint

What this means

CVE-2026-55549 is a medium-severity vulnerability affecting org.yamcs:yamcs-core, rated CVSS 5.5. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published August 28, 2026.

View full advisory at GHSA →