CVE-2026-121822
A vulnerability has been identified in armeria versions 0.80.0 through 1.42.0, where attackers who control file names can cause stored cross-site scripting (XSS) when directory listing is enabled and a user views the listing.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
A vulnerability has been identified in armeria versions 0.80.0 through 1.42.0, where attackers who control file names can cause stored cross-site scripting (XSS) when directory listing is enabled and a user views the listing.
- Record
CVE-2026-121822- CVSS 4.0
- 2.4 Low
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N - Updated
- 2026-11-10
EUVDEUVD-2026-117989
A vulnerability has been identified in armeria versions 0.80.0 through 1.42.0, where attackers who control file names can cause stored cross-site scripting (XSS) when directory listing is enabled and a user views the listing.
- Record
EUVD-2026-117989- CVSS 4.0
- 2.4 Low
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N - Updated
- 2026-11-10
NVD
A vulnerability has been identified in armeria versions 0.80.0 through 1.42.0, where attackers who control file names can cause stored cross-site scripting (XSS) when directory listing is enabled and a user views the listing.
- Record
CVE-2026-121822- CVSS 4.0
- 2.4 Low
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/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
A vulnerability has been identified in armeria versions 0.80.0 through 1.42.0, where attackers who control file names can cause stored cross-site scripting (XSS) when directory listing is enabled and a user views the listing.
- Record
CVE-2026-121822- CVSS 4.0
- 2.4 Low
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/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-2026-121822 is a low vulnerability (CVSS 2.4) 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 0.11%, the 1st percentile. No source names a fixed version.