Spring Boot: Spring Boot: Arbitrary Code Execution and Session Hijacking via predictable temporary directory

A flaw was found in Spring Boot. A local attacker on the same host as the application may be able to take control of the ApplicationTemp directory due to predictable temporary directory handling. When the server.servlet.session.persistent setting is enabled and the attack persists across...

Improper Control Of Temporary Directory Access

org.springframework.boot, spring-boot is vulnerable to improper control of temporary directory access. The vulnerability is due to inadequate ownership verification of the ApplicationTemp directory when persistent sessions are enabled, which allows a local attacker to gain control of the director...

Spring Boot accepts predictable temp directory without ownership verification

A local attacker on the same host as the application may be able to take control of the directory used by ApplicationTemp. When server.servlet.session.persistent is set to true and the attack persists across application restarts, this may allow the attacker to read session information and hijack...

GHSA-WWPQ-F5C3-7HVX Spring Boot accepts predictable temp directory without ownership verification

A local attacker on the same host as the application may be able to take control of the directory used by ApplicationTemp. When server.servlet.session.persistent is set to true and the attack persists across application restarts, this may allow the attacker to read session information and hijack...

CVE-2026-40973

A local attacker on the same host as the application may be able to take control of the directory used by ApplicationTemp. When server.servlet.session.persistent is set to true and the attack persists across application restarts, this may allow the attacker to read session information and hijack...

CVE-2026-40973

A local attacker on the same host as the application may be able to take control of the directory used by ApplicationTemp. When server.servlet.session.persistent is set to true and the attack persists across application restarts, this may allow the attacker to read session information and hijack...