CVE-2026-27395

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-17. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.8Exploit: NoneExposed: 0

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

Unauthenticated Privilege Escalation in Support Board < 3.8.9 versions.

CVSS v3
9.8
EG Score
9.8(high)
EPSS
26.5%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Jun 29, 2026
No patch confirmed yet.
generic

Privilege Escalation in WordPress Support Board Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/supportboard/vulnerability/wordpress-support-board-plugin-3-8-9-privilege-escalation-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-27395(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 85× in last 7d / 244× 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 244 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-27395?
CVE-2026-27395 is a critical vulnerability published on June 17, 2026. Unauthenticated Privilege Escalation in Support Board < 3.8.9 versions.
When was CVE-2026-27395 disclosed?
CVE-2026-27395 was first published in the National Vulnerability Database on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-27395 actively exploited?
CVE-2026-27395 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-27395?
CVE-2026-27395 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-27395?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-27395, 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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