Vulnocalypse
Back to feed
18impact

Spring Spring Boot: When an application is configured to use `ApplicationPidFileWriter`, a local attacker with write access to the PID file'

Spring Boot · CVE-2026-40977
0 news outlets0 CERTs and agencies0 researchers

What is it?

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.

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
4.7
EPSS
0.1%
First seen
7 d ago
Status
corroborated

All Spring vulnerabilities