CVE-2026-82265
Zipkin Unauthenticated Spring Boot Actuator Endpoints Exposure
- State
- Published
- Severity
- 6.9 Medium
- Published
- Aug 28, 2026
- Updated
- Sep 24, 2026
- Reserved
- Aug 28, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-306 Missing Authentication for Critical Function
Affected Products
| Product | Versions |
|---|---|
zipkinopenzipkin |
|
References
- GitHub Issue #3835issue-tracking
- https://github.com/openzipkin/zipkinproduct
- Vulnerable code: zipkin-server-shared.ymltechnical-description
- VulnCheck Advisory: Zipkin Unauthenticated Spring Boot Actuator Endpoints Exposurethird-party-advisory
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