CVE-2026-40975

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 76% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 7.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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.

CVSS v3
7.5
EG Score
7.5HIGHmedium confidence
EG Risk
34
EG Risk 34/100

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation0% × 40%
Automatability0% × 15%
EPSS PROB
0.4%
EPSS %ILE
33rd
KEV
Not listed

Published

April 28, 2026

Last Modified

July 24, 2026

Advisory Details (8)

Auto-updated Jul 3, 2026
Patch available. Sources: redhat.
redhatMentions a patch (unverified)

Affected: Red Hat Enterprise Linux 8",

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40975.json
redhatMentions a patch (unverified)

2463331 – (CVE-2026-40975) CVE-2026-40975 Spring Boot: Spring Boot: Weak pseudo-random number generation can lead to information disclosure.

https://bugzilla.redhat.com/show_bug.cgi?id=2463331
redhatMentions a patch (unverified)

cve-details

https://access.redhat.com/security/cve/CVE-2026-40975
redhatMentions a patch (unverified)
https://access.redhat.com/errata/RHSA-2026:25089
redhatMentions a patch (unverified)
https://access.redhat.com/errata/RHSA-2026:22619
redhatMentions a patch (unverified)
https://access.redhat.com/errata/RHSA-2026:21772
redhatMentions a patch (unverified)
https://access.redhat.com/errata/RHSA-2026:17668
generic

CVE-2026-40975: Random value property source uses a weak PRNG unsuitable for secrets

https://spring.io/security/cve-2026-40975

Patch Availability(2)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhatspring-boot2026-06-10redhat
redhatdevspaces/pluginregistry-rhel9:17793594232026-05-28redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFix by version rangeDependents
org.springframework.boot:spring-boot-cassandra4.0.0 ... 4.0.5 (6 versions)
  • 4.0.0 up to 4.0.6: fixed in 4.0.6
  • 3.5.0 up to 3.5.14: fixed in 3.5.14
  • 3.4.0 through 3.4.15: no fix on record
  • 3.3.0 through 3.3.18: no fix on record
  • every version through 2.7.32: no fix on record
—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 24× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 208 total refreshes for this CVE.

  1. 2026-10-09 20:07 UTCEPSS rescore
  2. 2026-10-08 17:12 UTCEPSS rescore
  3. 2026-10-07 23:48 UTCEPSS rescore
  4. 2026-10-06 15:17 UTCEPSS rescore
  5. 2026-10-05 17:43 UTCEPSS rescore
  6. 2026-10-04 23:22 UTCEPSS rescore
  7. 2026-10-03 14:25 UTCEPSS rescore
  8. 2026-10-01 19:50 UTCEPSS rescore
  9. 2026-09-30 15:03 UTCEPSS rescore
  10. 2026-09-27 13:48 UTCEPSS rescore
  11. 2026-09-26 15:58 UTCEPSS rescore
  12. 2026-09-23 17:53 UTCEPSS rescore
  13. 2026-09-23 07:15 UTCOSV refresh
  14. 2026-09-20 20:15 UTCEPSS rescore
  15. 2026-09-18 19:28 UTCEPSS rescore
  16. 2026-09-17 19:31 UTCEPSS rescore
  17. 2026-09-16 14:08 UTCEPSS rescore
  18. 2026-09-16 05:15 UTCEPSS rescore
  19. 2026-09-15 03:11 UTCEPSS rescore
  20. 2026-09-13 16:47 UTCEPSS rescore
  21. 2026-09-12 15:01 UTCEPSS rescore
  22. 2026-09-11 14:53 UTCEPSS rescore
  23. 2026-09-11 09:37 UTCEPSS rescore
  24. 2026-09-10 09:34 UTCEPSS rescore
  25. 2026-09-08 22:00 UTCEPSS rescore
Show 75 more
  1. 2026-09-06 13:47 UTCEPSS rescore
  2. 2026-09-04 05:06 UTCEPSS rescore
  3. 2026-09-04 01:46 UTCOSV refresh
  4. 2026-09-02 14:12 UTCEPSS rescore
  5. 2026-09-01 13:53 UTCEPSS rescore
  6. 2026-09-01 04:39 UTCEPSS rescore
  7. 2026-08-30 19:17 UTCEPSS rescore
  8. 2026-08-30 01:22 UTCEPSS rescore
  9. 2026-08-28 21:41 UTCEPSS rescore
  10. 2026-08-27 14:25 UTCEPSS rescore
  11. 2026-08-26 14:46 UTCEPSS rescore
  12. 2026-08-25 13:49 UTCEPSS rescore
  13. 2026-08-23 00:19 UTCEPSS rescore
  14. 2026-08-21 23:49 UTCEPSS rescore
  15. 2026-08-20 22:55 UTCEPSS rescore
  16. 2026-08-19 17:03 UTCEPSS rescore
  17. 2026-08-18 13:48 UTCEPSS rescore
  18. 2026-08-17 14:00 UTCEG score recompute
  19. 2026-08-17 14:00 UTCVendor advisory
  20. 2026-08-17 13:47 UTCEPSS rescore
  21. 2026-08-16 14:56 UTCEPSS rescore
  22. 2026-08-16 05:36 UTCEG score recompute
  23. 2026-08-16 05:36 UTCVendor advisory
  24. 2026-08-16 02:14 UTCEPSS rescore
  25. 2026-08-15 01:30 UTCEPSS rescore
  26. 2026-08-14 15:57 UTCVendor advisory
  27. 2026-08-14 04:00 UTCEG score recompute
  28. 2026-08-14 04:00 UTCVendor advisory
  29. 2026-08-13 22:00 UTCEPSS rescore
  30. 2026-08-13 08:25 UTCVendor advisory
  31. 2026-08-12 17:40 UTCEG score recompute
  32. 2026-08-12 17:40 UTCVendor advisory
  33. 2026-08-12 13:51 UTCEPSS rescore
  34. 2026-08-11 16:38 UTCEG score recompute
  35. 2026-08-11 16:38 UTCVendor advisory
  36. 2026-08-11 13:43 UTCEPSS rescore
  37. 2026-08-11 02:00 UTCEG score recompute
  38. 2026-08-11 02:00 UTCVendor advisory
  39. 2026-08-11 00:00 UTCEPSS rescore
  40. 2026-08-10 03:04 UTCVendor advisory
  41. 2026-08-09 15:07 UTCEG score recompute
  42. 2026-08-09 15:07 UTCVendor advisory
  43. 2026-08-09 13:46 UTCEPSS rescore
  44. 2026-08-09 03:10 UTCEG score recompute
  45. 2026-08-09 03:10 UTCVendor advisory
  46. 2026-08-08 16:37 UTCEPSS rescore
  47. 2026-08-08 04:30 UTCVendor advisory
  48. 2026-08-07 16:33 UTCEG score recompute
  49. 2026-08-07 16:33 UTCVendor advisory
  50. 2026-08-07 04:36 UTCEG score recompute
  51. 2026-08-07 04:36 UTCVendor advisory
  52. 2026-08-06 13:46 UTCEPSS rescore
  53. 2026-08-06 11:20 UTCVendor advisory
  54. 2026-08-05 22:48 UTCEG score recompute
  55. 2026-08-05 22:48 UTCVendor advisory
  56. 2026-08-05 19:17 UTCEPSS rescore
  57. 2026-08-04 15:10 UTCEPSS rescore
  58. 2026-08-04 10:38 UTCEPSS rescore
  59. 2026-08-03 20:51 UTCEG score recompute
  60. 2026-08-03 20:51 UTCVendor advisory
  61. 2026-08-03 10:36 UTCEPSS rescore
  62. 2026-08-02 22:07 UTCVendor advisory
  63. 2026-08-02 10:10 UTCEG score recompute
  64. 2026-08-02 10:10 UTCVendor advisory
  65. 2026-08-02 02:27 UTCEPSS rescore
  66. 2026-08-01 04:16 UTCEPSS rescore
  67. 2026-07-30 16:28 UTCEPSS rescore
  68. 2026-07-30 01:30 UTCEPSS rescore
  69. 2026-07-28 15:36 UTCEPSS rescore
  70. 2026-07-27 14:13 UTCEPSS rescore
  71. 2026-07-26 14:54 UTCEPSS rescore
  72. 2026-07-26 14:54 UTCEPSS rescore
  73. 2026-07-26 08:34 UTCEG score recompute
  74. 2026-07-26 08:34 UTCVendor advisory
  75. 2026-07-25 14:18 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-40975?
CVE-2026-40975 is a high vulnerability published on April 28, 2026. 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),…
When was CVE-2026-40975 disclosed?
CVE-2026-40975 was first published on April 28, 2026, with the most recent update on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-40975 actively exploited?
CVE-2026-40975 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (33rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-40975?
CVE-2026-40975 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-40975?
A fix for CVE-2026-40975 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-40975 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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