CVE-2026-9645

CRITICALNVD 9.99.9—
EchelonGraph scoreMEDIUM confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-05-28. NVD baseline CVSS 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
9.9
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.9Exploit: NoneExposed: 0

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

Exposed methods allow authenticated users to create and execute arbitrary JavaScript code on the server. The scripts execute with full access, enabling complete system compromise as commands are executed as root.

CVSS v3
9.9
EG Score
9.9(medium)
EPSS
23.6%
KEV
Not listed

Published

May 28, 2026

Last Modified

June 1, 2026

Advisory Details (1)

Auto-updated Jul 11, 2026
No patch confirmed yet.
generic

ScadaBR - Multiple Vulnerabilities - Research Advisory | Tenable®

https://www.tenable.com/security/research/tra-2026-46

Vendor Advisories for CVE-2026-9645(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 17× in last 7d / 137× 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 356 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-9645?
CVE-2026-9645 is a critical vulnerability published on May 28, 2026. Exposed methods allow authenticated users to create and execute arbitrary JavaScript code on the server. The scripts execute with full access, enabling complete system compromise as commands are executed as root.
When was CVE-2026-9645 disclosed?
CVE-2026-9645 was first published in the National Vulnerability Database on May 28, 2026, with the most recent update on June 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9645 actively exploited?
CVE-2026-9645 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9645?
CVE-2026-9645 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-9645?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9645, 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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