CVE-2026-121821

UNKNOWN 0.0

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	ly corporation
Product	armeria
Published	Nov 6, 2026

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Affected Versions

LY Corporation / Armeria

0.84.0 < 1.43.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

line.github.io: https://line.github.io/security-advisory-blog/CVE-2026-121821/ github.com: https://github.com/line/armeria/security/advisories/GHSA-386q-mrg6-jfj8