CVE catalog
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 atta
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.26% · Oct 25, 2026
A flaw was found in Spring Boot. An attacker on the same network as the remote application may be able to utilize a timing attack to discover information about a remote secret. In extreme circumstances, this could allow the attacker to determine the secret and upload changed classes, leading to remote code execution in the remote application. Spring Boot: Spring Boot: Remote code execution via timing attack in DevTools remote secret comparison The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | spring_boot | Not reported | 2.7.33 | fixed |
| Cpe | spring_boot | Not reported | 3.3.19 | fixed |
| Cpe | spring_boot | Not reported | 3.4.16 | fixed |
| Cpe | spring_boot | Not reported | 3.5.14 | fixed |
| Cpe | spring_boot | Not reported | 4.0.6 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | spring_boot | cpe | Not reported | 2.7.33 | Not reported | Not reported | Not reported |
| Cpe | spring_boot | cpe | Not reported | 3.3.19 | Not reported | Not reported | Not reported |
| Cpe | spring_boot | cpe | Not reported | 3.4.16 | Not reported | Not reported | Not reported |
| Cpe | spring_boot | cpe | Not reported | 3.5.14 | Not reported | Not reported | Not reported |
| Cpe | spring_boot | cpe | Not reported | 4.0.6 | Not reported | Not reported | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-40972]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40972.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1263.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX]