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OpenAdvisories
Medium · 4.8 CVE-2026-40975 EUVD-2026-25939GHSA-m4x9-hx6x-2c43

Spring Boot's random value property source uses a weak PRNG unsuitable for secrets

Published Apr 27, 2026 · Updated Jul 15, 2026 · Assigned by vmware

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.

Affected products

VendorProductAffectedFixed
Spring Spring Boot 4.0.0 – < 4.0.6, 3.5.0 – < 3.5.14, 3.4.0 – < 3.4.16, 3.3.0 – < 3.3.19, 2.7.0 – < 2.7.33 4.0.6

Affected packages

Advisories 2

References