CVE-2026-121820
Received Received - Intake

Memory Exhaustion via SAML Message Decompression in Armeria

Publication date: 2026-11-06

Last updated on: 2026-11-06

Assigner: LINE Corporation

Description
A vulnerability has been identified in armeria-saml versions prior to 1.43.0, where the HTTP-Redirect binding decoder decompresses attacker-supplied SAML messages without limiting the output size before signature validation, allowing an unauthenticated remote attacker to exhaust server memory and cause a denial of service.

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Meta Information

Published
2026-11-06
Last Modified
2026-11-06
Generated
2026-11-06
EPSS Evaluated
N/A
NVD
CVE-2026-121820
EUVD
EUVD-2026-117987

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
line armeria-saml to 1.43.0 (exc)

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Exploitability

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CWE ID Description
CWE-UNKNOWN

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