A Bootiful Podcast: Joe Grandja on Spring Authorization Server, OAuth, and so much more

Hi, Spring fans! In this episode, I talk Spring Security’s Joe Grandja about Spring Authorization Server’s graduation into Spring Security 7, and the new security heavyweights DPoP and PAR...

CVE-2026-47877: Improper Neutralization of Input During Web Page Generation

Spring Security Authorization Server's default consent page renders user-controlled values without HTML entity encoding. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6...

PT-2026-82690

Name of the Vulnerable Software and Affected Versions Spring Security version 7.1.0 Spring Security versions 7.0.0 through 7.0.6 Spring Security versions 6.5.0 through 6.5.11 Spring Security versions 6.4.0 through 6.4.18 Spring Security versions 5.8.0 through 5.8.27 Spring Security versions 5.7.0...

PT-2026-82691

Name of the Vulnerable Software and Affected Versions Spring Security version 7.1.0 Description The InetAddressMatchers utility provides matchInternal and matchExternal builders used to create an InetAddressMatcher. This component is responsible for classifying whether a provided IP address belon...

CVE-2026-59277: Protection Mechanism Failure

Spring Security's InetAddressMatchers utility provides matchInternal and matchExternal builders for constructing an InetAddressMatcher that classifies a given IP address as belonging to an internal private or external public network. Spring Security 7.1.0...

CVE-2026-59270: Incorrect Authorization

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...

CVE-2026-59276: Observable Timing Discrepancy

Several components in Spring Security compare security-sensitive values using standard string equality String.equals rather than a constant-time comparison. Because String.equals returns as soon as it finds a differing character, the time taken to reject an incorrect value is proportional to the...

CVE-2026-47842

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 Sprin...

CVE-2026-47842 Deterministic AES/CBC Encryption in Spring Security AesBytesEncryptor Allows Ciphertext Correlation

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 Sprin...

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 Sprin...

be.appify.prefab:prefab-security (>=0.2.0, <=0.10.9), br.com.sawcunhaos:scos-foundation-audit (>=1.0.0, <=1.1.0) +2516 more potentially affected by CVE-2026-47842 via org.springframework.security:spring-security-crypto (>=7.0.0, <=7.0.6)

org.springframework.security:spring-security-crypto MAVEN version =7.0.0, =0.2.0, =1.0.0, =1.0.0, =1.0.0, =1.0.0, =5.0.0, =5.0.0, =5.0.0, =7.0.0-alpha-springboot4, =7.0.0-alpha-springboot4, =8.0.0-alpha-springboot4, =8.0.0-alpha-springboot4, =2.0.0-alpha-springboot4, =4.0.0-alpha-springboot4,...

CVE-2026-47842

Spring Security 's AesBytesEncryptor deterministically encrypts data with AES/CBC when the two-argument constructor is used or a null IV generator is passed with CBC mode, resulting in a null (all-zero) initialization vector . This causes identical plaintexts to always produce identical ciphertex...

CVE-2026-47842 Deterministic AES/CBC Encryption in Spring Security AesBytesEncryptor Allows Ciphertext Correlation

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 Sprin...

CVE-2026-47842

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 Sprin...

CVE-2026-47842 Deterministic AES/CBC Encryption in Spring Security AesBytesEncryptor Allows Ciphertext Correlation

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 Sprin...

CVE-2026-47841

An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store. 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...

CVE-2026-47841

An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store. 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...

EUVD-2026-66639

An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store. 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...

CVE-2026-47841 WebAuthn User Verification Bypass via Session Serialization

An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store. 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...

CVE-2026-47841

Spring Security 's WebAuthn support is vulnerable to a user verification bypass when the application uses a distributed HTTP session store . The root cause is tied to session serialization , which can allow an attacker to bypass the user verification step of a WebAuthn authenticator. Affected ver...