spring-projects/spring-boot · Security
Spring Boot's PID file write follows symlinks at predictable default path
- GHSA ID
- GHSA-5368-6h4h-gr29
- CVE ID
- CVE-2026-40977
- Severity
- medium
- Published
- Updated
- CVSS
- 4.7 · CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H
- CVSS v3
- 4.7 · CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H
Description
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.
CWEs
- CWE-59 · Improper Link Resolution Before File Access ('Link Following')