CVE-2025-53602 Zipkin Server vulnerable to Insecure Resource Initialization through its /heapdump endpoint
Attackers can access sensitive memory data via the exposed heapdump endpoint in Zipkin if Spring Boot Actuator is enabled.
- 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-2025-53602?
CVE-2025-53602 is a medium-severity vulnerability in Open Zipkin Zipkin, published on 4 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Zipkin through 3.5.1 has a /heapdump endpoint (associated with the use of Spring Boot Actuator), a similar issue to CVE-2025-48927.
Weakness: CWE-1188
Which versions are affected by CVE-2025-53602?
2 open source packages ship an affected version, including io.zipkin:zipkin-server.
| Package | Affected | Fixed in |
|---|---|---|
io.zipkin:zipkin-server Maven | All versions to 3.5.1 | None |
io.zipkin:zipkin-server Maven | All versions to 3.5.1 | None |
How do I fix CVE-2025-53602?
No fix has been published for CVE-2025-53602 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-53602 being exploited?
There is no known exploitation of CVE-2025-53602 in the wild and no public exploit code.
Sources
Also known as GHSA-794x-8x6x-qpfc.