CVE-2026-82265CWE-306

CVE-2026-82265

Medium · published August 29, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
38.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
6.9 · 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
EPSS
0.00449 · 38.0th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-08-29T00:20Z
References (4)
https://github.com/openzipkin/zipkin · [email protected]https://github.com/openzipkin/zipkin/blob/878ce2a1fad54ca941d17fdcf2e1d924b148eb1f/zipkin-server/src/main/resources/zipkin-server-shared.yml · [email protected]https://github.com/openzipkin/zipkin/issues/3835 · [email protected]https://www.vulncheck.com/advisories/zipkin-unauthenticated-spring-boot-actuator-endpoints-exposure · [email protected]
EPSS history
Timeline
  • 30 AUG 16:19Z
    EPSS moved — → 0%
    epss
  • 28 AUG 16:18Z
    Zipkin Unauthenticated Spring Boot Actuator Endpoints Exposure
    cvelistv5