CVE-2026-82265 Zipkin Unauthenticated Spring Boot Actuator Endpoints Exposure
Unauthenticated attackers can access sensitive Zipkin Actuator endpoints to read credentials and modify log levels.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-82265?
CVE-2026-82265 is a medium-severity missing authorization vulnerability in openzipkin zipkin, published on 28 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-306
Which versions are affected by CVE-2026-82265?
How do I fix CVE-2026-82265?
No fix has been published for CVE-2026-82265 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-82265 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82265 exists.
Sources
Also known as GHSA-2mv6-7845-668g.