CVE Explorer
CVE-2026-40972
An attacker on the same network as the remote application may be able to utilize a timing attack to discover information about the remote secret. In extreme circumstances this could result in the attacker determining the secret and uploading changed classes, thereby achieving remote code execution in the remote application.
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); DevTools remote se
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","modules":["spring-boot-devtools"],"product":"Spring Boot","vendor":"Spring","versions":[{"lessThan":"4.0.6","status":"affected","version":"4.0.0","versionType":"custom"},{"lessThan":"3.5.14","status":"affected","version":"3.5.0","versionType":"custom"},{"lessThan":"3.4.16","status":"affected","version":"3.4.0","versionType":"custom"},{"lessThan":"3.3.19","status":"affected","version":"3.3.0","versionType":"custom"},{"lessThan":"2.7.33","status":"affected","version":"2.7.0","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:17735efbfff8f861b08549d82c16cbb37af6d6481face66d29fbd96d7069e5e9 · sha256:4ea018aa926d2479… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:17735efbfff8f861b08549d82c16cbb37af6d6481face66d29fbd96d7069e5e9 · sha256:4ea018aa926d2479… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-208","description":"CWE-208: Observable Timing Discrepancy","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:17735efbfff8f861b08549d82c16cbb37af6d6481face66d29fbd96d7069e5e9 · sha256:4ea018aa926d2479… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://spring.io/security/cve-2026-40972"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:17735efbfff8f861b08549d82c16cbb37af6d6481face66d29fbd96d7069e5e9 · sha256:4ea018aa926d2479… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.