CVE-2026-33519

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-04-21. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

An incorrect authorization vulnerability exists in Esri Portal for ArcGIS 11.4, 11.5 and 12.0 on Windows, Linux and Kubernetes that did not correctly check permissions assigned to developer credentials.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

April 21, 2026

Last Modified

May 18, 2026

References (1)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 30× 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 264 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-33519?
CVE-2026-33519 is a critical vulnerability published on April 21, 2026. An incorrect authorization vulnerability exists in Esri Portal for ArcGIS 11.4, 11.5 and 12.0 on Windows, Linux and Kubernetes that did not correctly check permissions assigned to developer credentials.
When was CVE-2026-33519 disclosed?
CVE-2026-33519 was first published in the National Vulnerability Database on April 21, 2026, with the most recent update on May 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-33519 actively exploited?
CVE-2026-33519 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 76.1% of all scored CVEs.
What is the CVSS score of CVE-2026-33519?
CVE-2026-33519 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-33519?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-33519, 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.

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