CVE-2026-40977
Published:April 27, 2026
Updated:May 02, 2026
When an application is configured to use "ApplicationPidFileWriter", a local attacker with write access to the PID file's location can corrupt one file on the host each time the application is started.
Affected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14), 3.4.0–3.4.15 (fix 3.4.16), 3.3.0–3.3.18 (fix 3.3.19), 2.7.0–2.7.32 (fix 2.7.33); PID file / symlink behavior ("ApplicationPidFileWriter"). Versions that are no longer supported are also affected per vendor advisory.
Affected Packages
https://github.com/spring-projects/spring-boot.git (GITHUB):
Affected version(s) >=v3.4.0 <v3.4.14Fix Suggestion:
Update to version v3.4.14https://github.com/spring-projects/spring-boot.git (GITHUB):
Affected version(s) >=v4.0.0 <v4.0.6Fix Suggestion:
Update to version v4.0.6https://github.com/spring-projects/spring-boot.git (GITHUB):
Affected version(s) >=v2.7.0 <v2.7.19Fix Suggestion:
Update to version v2.7.19https://github.com/spring-projects/spring-boot.git (GITHUB):
Affected version(s) >=v3.3.0 <v3.3.14Fix Suggestion:
Update to version v3.3.14https://github.com/spring-projects/spring-boot.git (GITHUB):
Affected version(s) >=v3.5.0 <v3.5.14Fix Suggestion:
Update to version v3.5.14org.springframework.boot:spring-boot (JAVA):
Affected version(s) >=3.5.0 <3.5.14Fix Suggestion:
Update to version 3.5.14org.springframework.boot:spring-boot (JAVA):
Affected version(s) >=2.7.0 <2.7.33Fix Suggestion:
Update to version 2.7.33org.springframework.boot:spring-boot (JAVA):
Affected version(s) >=3.4.0 <3.4.16Fix Suggestion:
Update to version 3.4.16org.springframework.boot:spring-boot (JAVA):
Affected version(s) >=3.3.0 <3.3.19Fix Suggestion:
Update to version 3.3.19org.springframework.boot:spring-boot (JAVA):
Affected version(s) >=4.0.0 <4.0.6Fix Suggestion:
Update to version 4.0.6Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.6
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.7
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Weakness Type (CWE)
Improper Link Resolution Before File Access ('Link Following')
EPSS
Base Score:
0.01
