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
9.8EG
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.

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 PROB
0%
EPSS %ILE
27%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Aug 22, 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 22× in last 7d / 169× 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 404 total refreshes for this CVE.

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

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 0% probability of exploitation in the next 30 days, which ranks it in the top 72.9% of all scored CVEs.
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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