spring-projects/spring-boot · Security
Spring Boot's random value property source uses a weak PRNG unsuitable for secrets
- GHSA ID
- GHSA-m4x9-hx6x-2c43
- CVE ID
- CVE-2026-40975
- Severity
- medium
- Published
- Updated
- CVSS
- 4.8 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- CVSS v3
- 4.8 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Description
Values produced by ${random.value} are not suitable for use as secrets. ${random.uuid} is not affected. ${random.int} and ${random.long} should never be used for secrets as they are numeric values with a predictable range.
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); random value property source / weak PRNG for secrets. Versions that are no longer supported are also affected per vendor advisory.
CWEs
- CWE-330 · Use of Insufficiently Random Values