CVE-2026-121823

Path Normalization Bypass Allowing Unauthorized Access

Published Nov 6, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Ly Corporation
Ly Corporation armeria
Vendors & Products Ly Corporation
Ly Corporation armeria
Type Values Removed Values Added
Title Path Normalization Bypass Allowing Unauthorized Access
Weaknesses CWE-20
CWE-285
Type Values Removed Values Added
Description 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.
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
LY-Corporation
Published
Updated
Nov 10, 2026, 5:29 PM
Reserved
Nov 4, 2026, 5:50 AM
Status
Deferred
Published
Nov 6, 2026, 8:17 AM
Modified
Nov 10, 2026, 6:17 PM