CVE-2026-59283

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-27. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Applications that evaluate Spring Expression Language (SpEL) expressions using SimpleEvaluationContext may be vulnerable to a safety guard bypass when the SpEL expression compiler is active. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49 Spring Framework 5.2.25.RELEASE and earlier

CVSS v3
9.1
EG Score
9.1(high)
EG Risk
46(Track)
EG Risk 46/100SSVC: Track

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
Severity91% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

August 27, 2026

Last Modified

September 1, 2026

Advisory Details (1)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic

Spring Framework Safety Guard Bypass via SpEL Expression Compilation

https://spring.io/security/cve-2026-59283

Vendor Advisories for CVE-2026-59283(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
libspring-java4.3.30-2, 4.3.30-3, 4.3.30-4——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
libspring-java4.3.30-3, 4.3.30-4——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
libspring-java4.3.30-3, 4.3.30-4——

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 53× in last 7d / 168× 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 168 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-59283?
CVE-2026-59283 is a critical vulnerability published on August 27, 2026. Applications that evaluate Spring Expression Language (SpEL) expressions using SimpleEvaluationContext may be vulnerable to a safety guard bypass when the SpEL expression compiler is active. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring…
When was CVE-2026-59283 disclosed?
CVE-2026-59283 was first published in the National Vulnerability Database on August 27, 2026, with the most recent update on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-59283 actively exploited?
CVE-2026-59283 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 68.7% of all scored CVEs.
What is the CVSS score of CVE-2026-59283?
CVE-2026-59283 has a CVSS v3.1 base score of 9.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-59283?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-59283, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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