{"id":"CVE-2026-40977","aliases":["GHSA-5368-6h4h-gr29"],"url":"https://o3.security/vulnerability/CVE-2026-40977","summary":"Spring Boot's PID file write follows symlinks at predictable default path","details":"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.\n\nAffected: 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.","published":"2026-04-27T23:36:06.654Z","modified":"2026-07-27T03:56:15.482893417Z","cvss":{"score":4.7,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-cassandra","fixedVersion":"4.0.6"},{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-cassandra","fixedVersion":"3.5.14"},{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-cassandra","fixedVersion":null},{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-cassandra","fixedVersion":null},{"ecosystem":"Maven","name":"org.springframework.boot:spring-boot-cassandra","fixedVersion":null}],"fix":null,"references":[{"type":"WEB","url":"https://spring.io/security/cve-2026-40977"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40977.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40977"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-27T03:56:15.482893417Z"}}