CVE-2026-59270: spring spring security Incorrect Authorization
Vulnerability summary
CVE-2026-59270 is a critical (CVSS 9.4) Incorrect Authorization vulnerability in spring spring security. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33.1% of scored vulnerabilities.
Timeline
- 27-08-2026PublishedVulnerability first disclosed.
- 28-08-2026Last modifiedVulnerability information updated.
Description
Spring Security's embedded UnboundID LDAP server (UnboundIdContainer) unconditionally registers an administrative credential and binds its listener to all available network interfaces. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6 Spring Security 6.5.0 - 6.5.11 Spring Security 6.4.0 - 6.4.18 Spring Security 5.8.0 - 5.8.27 Spring Security 5.7.0 - 5.7.25
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NDiffers
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
+0.13 pp
From 0.27% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard2 products
- conductorAll versions (No fix recorded)
- conductor-fipsAll versions (No fix recorded)
Spring1 product
- spring security7.1.0 | ≥ 7.0.0, ≤ 7.0.6 | ≥ 6.5.0, ≤ 6.5.11 | ≥ 6.4.0, ≤ 6.4.18 | ≥ 5.8.0, ≤ 5.8.27 | ≥ 5.7.0, ≤ 5.7.25
Vmware1 product
- spring_security≥ 5.7.0, < 5.7.26 | ≥ 5.8.0, < 5.8.28 | ≥ 6.4.0, < 6.4.19 | ≥ 6.5.0, < 6.5.12 | ≥ 7.0.0, < 7.0.6.1 | ≥ 7.1.0, < 7.1.0.1
3 vendors · 4 products
References
1 links- spring.io/security/cve-2026-59270Vendor Advisory