Descriptions

A vulnerability has been identified in armeria versions 0.84.0 through 1.42.0, where any-origin CORS policies do not enforce configured path restrictions, allowing an attacker-controlled website visited by an authenticated victim to read sensitive responses from excluded paths when credentials are enabled and the victim’s browser sends authentication credentials.

Severity

  • CVSSv4.0 Score: 5.3 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N)

Affected Versions

  • armeria from 0.84.0 before 1.43.0

Fix

  • armeria should be updated to latest version (>= 1.43.0).

Reference

  • https://www.cve.org/CVERecord?id=CVE-2026-121821
  • https://github.com/line/armeria/security/advisories/GHSA-386q-mrg6-jfj8

Updated: