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OpenAdvisories
Medium · 5.3 CVE-2026-121821 EUVD-2026-117988

A vulnerability has been identified in armeria versions 0.84.0 through 1.42.0, where any-origin CORS policies do not enforce configured pat…

Published Nov 6, 2026 · Updated Nov 10, 2026 · Assigned by LY-Corporation

Description

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.

Affected products

VendorProductAffectedFixed
LY Armeria 0.84.0 – < 1.43.0 1.43.0

References