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CVE-2026-11751

Quick assessment

Affected
LY Corporation Armeria
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 armeria-xds 的 1.41.0 版本之前存在一个安全漏洞，其中 xDS 上游 TLS 对等方验证可能被静默禁用，从而导致针对由 xDS 管理上游连接的中继攻击（man-in-the-middle attacks）。

CVSS 9.1 · Critical EPSS 0.24% · P16

Affected Version Matrix 1

VendorProduct Version RangeStatus
LY Corporation Armeria 1.41.0< * unaffected
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I. Basic Information for CVE-2026-11751

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
LY Corporation Armeria 1.41.0 ~ * -

II. Public POCs for CVE-2026-11751

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-11751

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Vendor Advisories for CVE-2026-11751 (1)

Security Blog Posts for CVE-2026-11751 (1)

IV. Related Vulnerabilities

Same product: Armeria
Same vendor: LY Corporation

V. Comments for CVE-2026-11751

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