CVE-2026-40977

Summary

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 Software

VendorProductVersion RangeStatus
SpringSpring Boot4.0.0 < 4.0.6affected
SpringSpring Boot3.5.0 < 3.5.14affected
SpringSpring Boot3.4.0 < 3.4.16affected
SpringSpring Boot3.3.0 < 3.3.19affected
SpringSpring Boot2.7.0 < 2.7.33affected

Weaknesses

  • CWE-59: CWE-59: Improper Link Resolution Before File Access

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References