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TI-2026-85775 Aliases CVE-2026-121821

Path restrictions ignored by any-origin CORS policy in LY Corporation Armeria

Priority LOW 24Published · Updated

Key facts

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

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

Summary

Armeria from 0.84.0 before 1.43.0 does not enforce configured path restrictions for any-origin CORS policies. When credentials are enabled, a website controlled by an attacker can read sensitive responses from excluded paths if an authenticated victim visits it while the victim's browser sends authentication credentials.

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 0.84.0 through 1.42.0, where any-origin CORS policies do not enforce configured path restrictions, allowing an attacker-controlled website visited by an authenticated victim to read sensitive responses from excluded paths when credentials are enabled and the victim's browser sends authentication credentials.

Why it matters now

EPSS 0.00324 25th 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 CorporationArmeria0.84.0 to before 1.43.01.43.0Patch availableCNA
  • Armeria VendorLY Corporation Affected 0.84.0 to before 1.43.0 Fixed in 1.43.0 Patch available CNA

Remediation

Update LY Corporation Armeria to version 1.43.0, which is not affected.

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-2026-85776 Armeria Stored XSS via File Names in Directory ListingPriority LOW 11
    Show all 3 records →

Timeline

  1. 2026-11-06 Threatist record created from CVE-2026-121821

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