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CVSS 4.8 · MEDIUM

CVE-2026-40975

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.

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Severity

Score: 4.8(MEDIUM)
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
AV: NETWORK
AC: HIGH
PR: NONE
UI: NONE
S: UNCHANGED
C: LOW
I: LOW
A: NONE
Weakness (CWE): CWE-330

EPSS

Probability of exploitation (next 30 days): 0.0005 (0.0%)
Percentile: 14.1%
EPSS: 2026-05-06

Affects

vmware:spring_boot

Technical 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.

Published: 4/28/2026, 12:16:24 AM
Last modified: 4/30/2026, 1:57:15 PM

References

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