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CVE-2026-82276— StarRocks Frontend REST Handlers Bypass the Base Class Authentication Gate

Quick assessment

Affected
StarRocks starrocks
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.

StarRocks 4.0.13 及更早版本存在一个认证绕过漏洞：五个 REST 处理类直接重写了 方法，而非实现 。攻击者无需提供凭据，即可通过前端 HTTP 端口访问六个未鉴权的端点，从而泄露集群拓扑结构、数据库元数据、JVM 统计信息以及版本信息。

CVSS 5.3 · Medium

Affected Version Matrix 1

VendorProduct Version RangeStatus
StarRocks starrocks ≤ 4.0.13 affected
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I. Basic Information for CVE-2026-82276

Vulnerability Information
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Vulnerability Title
StarRocks Frontend REST Handlers Bypass the Base Class Authentication Gate
Source: CVE Program / CVE List V5
Vulnerability Description
StarRocks through 4.0.13 contains an authentication bypass vulnerability in five REST handler classes that override execute() directly instead of implementing executeWithoutPassword(). Attackers can access six unauthenticated endpoints on the frontend HTTP port to disclose cluster topology, database metadata, JVM statistics, and version information without credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
StarRocks starrocks 0 ~ 4.0.13 -

II. Public POCs for CVE-2026-82276

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III. Intelligence Information for CVE-2026-82276

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Patches & Fixes for CVE-2026-82276 (1)

Vendor Advisories for CVE-2026-82276 (1)

Other References for CVE-2026-82276 (2)

IV. Related Vulnerabilities

Same product: starrocks
Same vendor: StarRocks
Same weakness: CWE-306

V. Comments for CVE-2026-82276

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