CVE-2026-27395

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM 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(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
26.9%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Jul 12, 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 15× in last 7d / 170× 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 220 total refreshes for this CVE.

  1. 2026-07-23 14:18 UTCEPSS rescore
  2. 2026-07-23 14:18 UTCEPSS rescore
  3. 2026-07-23 03:08 UTCEG score recompute
  4. 2026-07-22 14:08 UTCEPSS rescore
  5. 2026-07-22 14:08 UTCEPSS rescore
  6. 2026-07-21 15:24 UTCEPSS rescore
  7. 2026-07-21 15:24 UTCEPSS rescore
  8. 2026-07-20 17:08 UTCEPSS rescore
  9. 2026-07-20 17:08 UTCEPSS rescore
  10. 2026-07-19 14:31 UTCEPSS rescore
  11. 2026-07-19 14:31 UTCEPSS rescore
  12. 2026-07-19 02:29 UTCEPSS rescore
  13. 2026-07-18 10:04 UTCEPSS rescore
  14. 2026-07-18 10:04 UTCEPSS rescore
  15. 2026-07-17 03:57 UTCGHSA enrichment
  16. 2026-07-16 21:51 UTCGHSA enrichment
  17. 2026-07-16 17:03 UTCEPSS rescore
  18. 2026-07-16 17:03 UTCEPSS rescore
  19. 2026-07-16 12:43 UTCGHSA enrichment
  20. 2026-07-16 08:25 UTCGHSA enrichment
  21. 2026-07-16 03:58 UTCGHSA enrichment
  22. 2026-07-15 23:41 UTCGHSA enrichment
  23. 2026-07-15 19:24 UTCGHSA enrichment
  24. 2026-07-15 16:57 UTCEPSS rescore
  25. 2026-07-15 16:57 UTCEPSS rescore
Show 75 more
  1. 2026-07-15 14:46 UTCGHSA enrichment
  2. 2026-07-15 07:14 UTCGHSA enrichment
  3. 2026-07-15 02:52 UTCGHSA enrichment
  4. 2026-07-15 02:00 UTCEPSS rescore
  5. 2026-07-15 02:00 UTCEPSS rescore
  6. 2026-07-14 22:34 UTCGHSA enrichment
  7. 2026-07-14 18:17 UTCGHSA enrichment
  8. 2026-07-14 13:29 UTCGHSA enrichment
  9. 2026-07-14 09:12 UTCGHSA enrichment
  10. 2026-07-14 04:43 UTCGHSA enrichment
  11. 2026-07-14 00:19 UTCGHSA enrichment
  12. 2026-07-13 22:30 UTCEPSS rescore
  13. 2026-07-13 20:01 UTCGHSA enrichment
  14. 2026-07-13 15:43 UTCGHSA enrichment
  15. 2026-07-13 11:25 UTCGHSA enrichment
  16. 2026-07-13 07:08 UTCGHSA enrichment
  17. 2026-07-13 06:13 UTCEPSS rescore
  18. 2026-07-13 06:13 UTCEPSS rescore
  19. 2026-07-13 02:00 UTCGHSA enrichment
  20. 2026-07-12 21:42 UTCGHSA enrichment
  21. 2026-07-12 16:26 UTCGHSA enrichment
  22. 2026-07-12 12:09 UTCGHSA enrichment
  23. 2026-07-12 07:46 UTCGHSA enrichment
  24. 2026-07-12 05:46 UTCEPSS rescore
  25. 2026-07-12 03:29 UTCGHSA enrichment
  26. 2026-07-11 23:12 UTCGHSA enrichment
  27. 2026-07-11 18:52 UTCGHSA enrichment
  28. 2026-07-11 14:35 UTCGHSA enrichment
  29. 2026-07-11 09:59 UTCGHSA enrichment
  30. 2026-07-11 08:27 UTCEPSS rescore
  31. 2026-07-11 05:41 UTCGHSA enrichment
  32. 2026-07-11 01:24 UTCGHSA enrichment
  33. 2026-07-10 20:42 UTCGHSA enrichment
  34. 2026-07-10 16:21 UTCGHSA enrichment
  35. 2026-07-10 11:57 UTCGHSA enrichment
  36. 2026-07-10 07:18 UTCGHSA enrichment
  37. 2026-07-10 03:00 UTCGHSA enrichment
  38. 2026-07-09 22:19 UTCGHSA enrichment
  39. 2026-07-09 19:10 UTCEPSS rescore
  40. 2026-07-09 18:01 UTCGHSA enrichment
  41. 2026-07-09 11:39 UTCGHSA enrichment
  42. 2026-07-09 07:16 UTCGHSA enrichment
  43. 2026-07-09 02:58 UTCGHSA enrichment
  44. 2026-07-08 22:41 UTCGHSA enrichment
  45. 2026-07-08 18:23 UTCGHSA enrichment
  46. 2026-07-08 15:15 UTCEPSS rescore
  47. 2026-07-08 15:15 UTCEPSS rescore
  48. 2026-07-08 14:04 UTCGHSA enrichment
  49. 2026-07-08 09:46 UTCGHSA enrichment
  50. 2026-07-08 05:29 UTCGHSA enrichment
  51. 2026-07-08 00:38 UTCGHSA enrichment
  52. 2026-07-07 20:21 UTCGHSA enrichment
  53. 2026-07-07 13:46 UTCEPSS rescore
  54. 2026-07-07 13:30 UTCGHSA enrichment
  55. 2026-07-07 09:12 UTCGHSA enrichment
  56. 2026-07-07 02:42 UTCGHSA enrichment
  57. 2026-07-06 22:25 UTCGHSA enrichment
  58. 2026-07-06 16:57 UTCGHSA enrichment
  59. 2026-07-06 16:27 UTCEPSS rescore
  60. 2026-07-06 16:27 UTCEPSS rescore
  61. 2026-07-06 12:36 UTCGHSA enrichment
  62. 2026-07-06 05:29 UTCGHSA enrichment
  63. 2026-07-06 02:23 UTCEPSS rescore
  64. 2026-07-06 02:23 UTCEPSS rescore
  65. 2026-07-06 01:12 UTCGHSA enrichment
  66. 2026-07-05 20:55 UTCGHSA enrichment
  67. 2026-07-05 16:32 UTCGHSA enrichment
  68. 2026-07-05 12:08 UTCGHSA enrichment
  69. 2026-07-05 07:50 UTCGHSA enrichment
  70. 2026-07-05 03:07 UTCGHSA enrichment
  71. 2026-07-05 02:30 UTCEPSS rescore
  72. 2026-07-04 22:45 UTCGHSA enrichment
  73. 2026-07-04 18:28 UTCGHSA enrichment
  74. 2026-07-04 14:10 UTCGHSA enrichment
  75. 2026-07-04 09:53 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 26.9% 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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