Vulnerability · Published Aug 19, 2026 · Assigned by LY-Corporation
CVE-2026-11751
Critical 9.1
In plain English
A critical-severity security flaw in Armeria from LY Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Severity (CVSS 4.0)9.1Critical
Exploit odds (30 days)0.3%top 75.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A vulnerability has been identified in armeria-xds versions prior to 1.41.0, where xDS upstream TLS peer verification may be silently disabled, allowing man-in-the-middle attacks against xDS-managed upstream connections.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| LY Corporation | Armeria | see references |