CVE-2026-59297: spring spring cloud function Origin Validation Error
CVSS: 3.5v3.1LowAnalyzed
Published 27-08-2026Last modified 28-08-2026
Vulnerability summary
CVE-2026-59297 is a low (CVSS 3.5) Origin Validation Error vulnerability in spring spring cloud function. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.6% of scored vulnerabilities.
CVSS score
3.5/10
010
Low · v3.1 (NVD)EPSS score
0.13%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-08-2026PublishedVulnerability first disclosed.
- 28-08-2026Last modifiedVulnerability information updated.
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 metrics
2 scores · 2 sources · 1 versionLow 3.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:NSources2 sources · 3.1–3.5
- CVE.orgCNA3.1LowCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.13%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
+0.03 pp
From 0.10% on 18-09-2026
18-09-202618-10-2026
EPSS score0.13%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Spring1 product
- spring cloud function≥ 5.0.0, ≤ 5.0.3 | ≥ 4.3.0, ≤ 4.3.4 | ≥ 4.2.0, ≤ 4.2.7
Vmware1 product
- spring_cloud_function≥ 4.2.0, < 4.2.8 | ≥ 4.3.0, < 4.3.5 | ≥ 5.0.0, < 5.0.4
2 vendors · 2 products
References
1 links- spring.io/security/cve-2026-59297Vendor Advisory