CVE-2026-82265

medium

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.

References

https://www.vulncheck.com/advisories/zipkin-unauthenticated-spring-boot-actuator-endpoints-exposure

https://github.com/openzipkin/zipkin/issues/3835

https://github.com/openzipkin/zipkin/blob/878ce2a1fad54ca941d17fdcf2e1d924b148eb1f/zipkin-server/src/main/resources/zipkin-server-shared.yml

https://github.com/openzipkin/zipkin

Details

Source: Mitre, NVD

Published: 2026-08-28

Updated: 2026-08-31

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Severity: Medium

CVSS v4

Base Score: 6.9

Vector: 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

Severity: Medium

EPSS

EPSS: 0.0032