CVE-2026-47842

Medium

Description

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

SeverityMedium
CVSS6.5
Exploit probability—
ProductVmware Spring Security
PublishedAug 26, 2026
First seenAug 26, 2026
Weakness typeCWE-329CWE-329

How to fix

Update
  • vmware spring_security5.7.26, 5.8.28, 6.4.19, 6.5.12, 7.0.6.1, 7.1.0.1 or later

Affected products

ProductAffected versionsFixed in
vmware spring_security5.7.0 ≤ v < 5.7.26, 5.8.0 ≤ v < 5.8.28, 6.4.0 ≤ v < 6.4.19, 6.5.0 ≤ v < 6.5.12, 7.0.0 ≤ v < 7.0.6.1, 7.1.0 ≤ v < 7.1.0.15.7.26, 5.8.28, 6.4.19, 6.5.12, 7.0.6.1, 7.1.0.1

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CVE-2026-47842 · Vmware Spring Security · Dark Radar