Low severity · published Aug 27, 2026
CVE-2026-59297
Spring Cloud Function can incorrectly determine if URI is secure
3.5
CVSS
0.1%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Spring Cloud Function · Spring
5.0.0 through 5.0.3; 4.3.0 through 4.3.4; 4.2.0 through 4.2.7 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-59297
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-59297
Vendor Advisory
https://spring.io/security/cve-2026-59297
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