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CVE-2026-82265— Zipkin Unauthenticated Spring Boot Actuator Endpoints Exposure

Quick assessment

Affected
openzipkin zipkin
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.

Open Zipkin zipkin是Open Zipkin组织开源的一款分布式链路追踪监控系统。 Open Zipkin zipkin 3.6.1及之前版本存在授权问题漏洞，该漏洞源于在追踪API端口上暴露Spring Boot Actuator端点且无需认证，允许未经身份验证的攻击者访问敏感信息，可能导致读取环境变量、bean配置和存储凭据，或修改日志级别以抑制日志记录。

CVSS 6.5 · Medium EPSS 0.45% · P38

Affected Version Matrix 1

VendorProduct Version RangeStatus
openzipkin zipkin ≤ 3.6.1 affected
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I. Basic Information for CVE-2026-82265

Vulnerability Information
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Vulnerability Title
Zipkin Unauthenticated Spring Boot Actuator Endpoints Exposure
Source: CVE Program / CVE List V5
Vulnerability Description
Zipkin through 3.6.1 exposes Spring Boot Actuator endpoints on the tracing API port without authentication, allowing unauthenticated attackers to access sensitive information. Attackers can read environment variables, bean configurations, and storage credentials via actuator endpoints, or modify log levels to suppress logging.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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
Vulnerability Title
Open Zipkin zipkin 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open Zipkin zipkin是Open Zipkin组织开源的一款分布式链路追踪监控系统。 Open Zipkin zipkin 3.6.1及之前版本存在授权问题漏洞，该漏洞源于在追踪API端口上暴露Spring Boot Actuator端点且无需认证，允许未经身份验证的攻击者访问敏感信息，可能导致读取环境变量、bean配置和存储凭据，或修改日志级别以抑制日志记录。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
openzipkin zipkin 0 ~ 3.6.1 -

II. Public POCs for CVE-2026-82265

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III. Intelligence Information for CVE-2026-82265

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Patches & Fixes for CVE-2026-82265 (1)

Vendor Advisories for CVE-2026-82265 (1)

Proof of Concept for CVE-2026-82265 (1)

Vendor Pages for CVE-2026-82265 (1)

IV. Related Vulnerabilities

Same product: zipkin
Same weakness: CWE-306

V. Comments for CVE-2026-82265

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