CVE-2026-59291 Potential arbitrary file read and SSRF vulnerability in Spring Cloud Function
Attackers can exploit Spring Cloud Function to perform server-side request forgery and read arbitrary files from the server.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-59291?
CVE-2026-59291 is a low-severity server-side request forgery vulnerability in Spring Cloud Function, published on 27 Aug 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Potential arbitrary file read and SSRF vulnerability in Spring Cloud Function. Spring Cloud Function 5.0.0 - 5.0.3 Spring Cloud Function 4.3.0 - 4.3.4 Spring Cloud Function 4.2.0 - 4.2.7
Weakness: CWE-918
Which versions are affected by CVE-2026-59291?
It affects 1 product.
Products include Vmware Spring Cloud Function.
How do I fix CVE-2026-59291?
Upgrade to a fixed version.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-59291 being exploited?
There is no known exploitation of CVE-2026-59291 in the wild and no public exploit code.
Other vulnerabilities in Spring Cloud Function
- CVE-2022-22979 Denial of Service in Spring Cloud Function
- CVE-2026-40989 Self Routing guard bypassed via function composition
- CVE-2026-40990 Unbounded cache for function definitions
- CVE-2026-59297 Spring Cloud Function can incorrectly determine if URI is secure
- CVE-2026-59298 Potential for improper filtering of HTTP headers in Spring Cloud Function
Sources
Also known as GHSA-6mg8-cpx2-hrff.