CVE-2026-121823
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used 8.7
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.
- Record
CVE-2026-121823- CVSS 4.0
- 8.7 High
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 - Updated
- 2026-11-10
EUVDEUVD-2026-117990 8.7
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.
- Record
EUVD-2026-117990- CVSS 4.0
- 8.7 High
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 - Updated
- 2026-11-10
NVD 8.7
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.
- Record
CVE-2026-121823- CVSS 4.0
- 8.7 High
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Updated
- 2026-11-10
OSV 8.7
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.
- Record
CVE-2026-121823- CVSS 4.0
- 8.7 High
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 - Updated
- 2026-11-07
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| references | CVE List, EUVD | |
| aliases, references | NVD, OSV | |
| first indexed | CVE List, EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-121823 is a high vulnerability (CVSS 8.7) in Line Corporation Armeria, published November 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. No source names a fixed version.