CVE-2026-62242 Spring Boot Admin Server < 4.1.2 SSRF via Unauthenticated Instance Registration
Unauthenticated attackers can exploit SSRF in Spring Boot Admin Server to access internal resources and exfiltrate cloud credentials via actuator proxies.
- 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-2026-62242?
CVE-2026-62242 is a high-severity server-side request forgery vulnerability in codecentric spring-boot-admin, published on 13 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Spring Boot Admin Server before 4.1.2 contains a server-side request forgery vulnerability that allows unauthenticated attackers to register instances with attacker-controlled healthUrl and managementUrl parameters without validation against private IP ranges or metadata endpoints. Attackers can force the server to make HTTP requests to arbitrary internal addresses and retrieve response bodies via the actuator proxy to exfiltrate cloud credentials.
Weakness: CWE-918
Which versions are affected by CVE-2026-62242?
How do I fix CVE-2026-62242?
No fix has been published for CVE-2026-62242 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-62242 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-62242 exists.
Sources
Also known as GHSA-j4h2-3wwr-928r.