Is org.springframework.boot:spring-boot-devtools affected by CVE-2026-40972?

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

Is CVE-2026-40972 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

high

CVE-2026-40972

Q: Is CVE-2026-40972 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

Maven · org.springframework.boot:spring-boot-devtools

Summary

Spring Boot DevTools remote secret comparison is vulnerable to timing attacks

Severity: high
EPSS: 0.3% (p20)
Also known as: GHSA-56v8-86gj-66jp
Published: 2026-04-28

References

https://nvd.nist.gov/vuln/detail/CVE-2026-40972
https://github.com/spring-projects/spring-boot
https://spring.io/security/cve-2026-40972

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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.