CVE-2026-47842

EUVD-2026-66677
Applications using AesBytesEncryptor with the two-argument constructor or when passing a null IV generator and CBC as the encryption mode encrypt data with AES/CBC using a null (all-zero) initialization vector.
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
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 3.66%
Affected Products (NVD)
VendorProductVersion
vmwarespring_security
5.7.0 ≤
𝑥
< 5.7.26
vmwarespring_security
5.8.0 ≤
𝑥
< 5.8.28
vmwarespring_security
6.4.0 ≤
𝑥
< 6.4.19
vmwarespring_security
6.5.0 ≤
𝑥
< 6.5.12
vmwarespring_security
7.0.0 ≤
𝑥
< 7.0.6.1
vmwarespring_security
7.1.0 ≤
𝑥
< 7.1.0.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://spring.io/security/cve-2026-47842