CVE-2026-47842: medium-severity vulnerability in Spring Security
Deterministic AES/CBC Encryption in Spring Security AesBytesEncryptor Allows Ciphertext Correlation
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.1%
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
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
Spring · Spring SecurityRelated CVEs — Spring Security
In the same product, most dangerous first.
CVE-2019-3795LOWInsecure Randomness When Using a SecureRandom Instance Constructed by Spring SecurityEPSS 1.9%CVE-2019-11272—PlaintextPasswordEncoder authenticates encoded passwords that are nullEPSS 1.4%CVE-2024-22234HIGHCVE-2024-22234: Broken Access Control in Spring Security With Direct Use of isFullyAuthenticatedEPSS 0.7%CVE-2025-41232CRITICALCVE-2025-41232: Spring Security authorization bypass for method security annotations on private methodsEPSS 0.6%CVE-2025-22228HIGHCVE-2025-22228: Spring Security BCryptPasswordEncoder does not enforce maximum password lengthEPSS 0.6%CVE-2025-22223MEDIUMCVE-2025-22223EPSS 0.5%