Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-40975

35
FAUCET Score

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.

First published: Apr 27, 2026Last modified: Apr 28, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 2.7.33CPE matchmatch criteria
cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*
>= 3.3.0, < 3.3.19CPE matchmatch criteria
cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*
>= 3.4.0, < 3.4.16CPE matchmatch criteria
cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*
>= 3.5.0, < 3.5.14CPE matchmatch criteria
cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*
>= 4.0.0, < 4.0.6CPE matchmatch criteria
cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.8MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 6th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.springframework.boot:spring-boot-cassandraFixed in: 4.0.6
mavenpatch availablevia ghsa
Product: org.springframework.boot:spring-boot-cassandraFixed in: 3.5.14

Vendor Advisories (1)

mavenGHSA-m4x9-hx6x-2c43medium

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

Apr 28, 2026

References

access.redhat.com / errata/RHSA-2026:17668
access.redhat.com / errata/RHSA-2026:21772
access.redhat.com / errata/RHSA-2026:22619
access.redhat.com / errata/RHSA-2026:25089
access.redhat.com / security/cve/CVE-2026-40975
bugzilla.redhat.com / show_bug.cgi
security.access.redhat.com / data/csaf/v2/vex/2026/cve-2026-40975.json
spring.io / security/cve-2026-40975
Vendor Advisory