CVE-2026-59297 Spring Cloud Function can incorrectly determine if URI is secure
Attackers can bypass secure URI checks in Spring Cloud Function by exploiting incorrect scheme verification in ServerlessHttpServletRequest.
- 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
- None listed
What is CVE-2026-59297?
CVE-2026-59297 is a low-severity 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
Implementation of isSecure() call of ServerlessHttpServletRequest does not verify the actual scheme. 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-346
Which versions are affected by CVE-2026-59297?
It affects 1 product.
Products include Vmware Spring Cloud Function.
How do I fix CVE-2026-59297?
No fix has been published for CVE-2026-59297 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-59297 being exploited?
There is no known exploitation of CVE-2026-59297 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-2026-59298 Potential for improper filtering of HTTP headers in Spring Cloud Function
- CVE-2026-59299 Composition lookup can potentially poison base function in Spring Cloud Function
Sources
Also known as GHSA-x389-8jh6-xrxm.