Is org.springframework.boot:spring-boot affected by CVE-2026-40973?

Maven org.springframework.boot:spring-boot is affected in >=4.0.0 =3.5.0 =3.4.0 =3.3.0 <=3.3.18, <=2.7.32.

Is CVE-2026-40973 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.1%.

high

CVE-2026-40973

Q: Is CVE-2026-40973 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.1%.

Maven · org.springframework.boot:spring-boot

Summary

Spring Boot accepts predictable temp directory without ownership verification

Severity: high
EPSS: 0.1% (p3)
Also known as: GHSA-wwpq-f5c3-7hvx
Published: 2026-04-28

References

https://nvd.nist.gov/vuln/detail/CVE-2026-40973
https://github.com/spring-projects/spring-boot
https://spring.io/security/cve-2026-40973

Related advisories

CVE-2026-40976 — critical · Maven/org.springframework.boot:spring-boot
CVE-2025-22235 — high · Maven/org.springframework.boot:spring-boot

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.