Descriptions

A vulnerability has been identified in armeria-saml versions prior to 1.41.1, where attacker-controlled RelayState is reflected into the HTTP Location header after successful authentication, allowing an unvalidated redirect to an attacker-controlled URL.

Severity

  • CVSSv4.0 Score: 5.1 ( CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N)

Affected Versions

  • Armeria-saml before 1.41.1

Fix

  • Armeria-saml should be updated to latest version (>= 1.41.1).

Reference

  • https://www.cve.org/CVERecord?id=CVE-2026-11753
  • https://github.com/line/armeria/security/advisories/GHSA-89cp-657f-wp7v

Updated: