CVE-2026-121823
Published:November 06, 2026
Updated:November 09, 2026
A vulnerability has been identified in armeria versions prior to 1.43.0, where inconsistent request path normalization can allow unauthenticated attackers to bypass path-based access controls and access protected resources.
Affected Packages
https://github.com/line/armeria.git (GITHUB):
Affected version(s) >=armeria-0.4.0.Final <armeria-1.43.0 || >=armeria-1.0.0 <armeria-1.43.0Fix Suggestion:
Update to version armeria-1.43.0com.linecorp.armeria:armeria (JAVA):
Affected version(s) >=0.4.0.Final <1.43.0 || >=1.0.0 <1.43.0Fix Suggestion:
Update to version 1.43.0Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Use of Non-Canonical URL Paths for Authorization Decisions
EPSS
Base Score:
0.44