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TI-2026-85776 Aliases CVE-2026-121822

Armeria Stored XSS via File Names in Directory Listing

Priority LOW 11Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Armeria from 0.80.0 before 1.43.0 by LY Corporation contains a stored cross-site scripting flaw. An attacker who controls file names can inject script into the directory listing, which runs when a user views a listing with directory listing enabled. The attacker needs low privileges and user interaction, and the CVSS 4.0 base score is 2.4 (LOW).

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

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.

Why it matters now

EPSS 0.00115 1st percentileScored 2026-11-07
Fix Fixed Armeria (LY Corporation): 1.43.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
LY CorporationArmeria0.80.0 to before 1.43.01.43.0Patch availableCNA
  • Armeria VendorLY Corporation Affected 0.80.0 to before 1.43.0 Fixed in 1.43.0 Patch available CNA

Remediation

Upgrade Armeria to version 1.43.0 or later, which fixes the issue.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA Armeria (LY Corporation) Fixed in 1.43.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    LY Armeria 1.43.0

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-85773 Armeria xDS reads files outside allowed roots via symbolic linksPriority LOW 26
    • TI-2026-85775 Path restrictions ignored by any-origin CORS policy in LY Corporation ArmeriaPriority LOW 24
    Show all 3 records →

Timeline

  1. 2026-11-06 Threatist record created from CVE-2026-121822

References

Other 2

  • TI-2026-10143 Hard-coded credentials in LY Corporation Central Dogma CVSS 4.0CRITICAL 9.4
  • TI-2026-10142 A vulnerability has been identified in centraldogma-server-mirror-git versions prior to… CVSS 4.0HIGH 8.8
  • TI-2026-10145 LDAP injection in LY Corporation Central Dogma CVSS 4.0MEDIUM 6.9
  • TI-2026-14054 A code injection vulnerability exists in the LINE Android app prior to version 26.7.2. CVSS 4.0HIGH 8.7
  • TI-2026-10146 A vulnerability has been identified in armeria-xds versions prior to 1.41.0, where xDS… CVSS 4.0CRITICAL 9.1
  • TI-2026-85778 Excessive memory allocation in Armeria from malformed Thrift messages CVSS 4.0HIGH 8.7
See all 17 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences