CVE-2026-12394

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-27. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

The MemberGlut WordPress plugin before 1.1.5 does not validate the role chosen during front-end registration, allowing unauthenticated users to register an account with an arbitrary role, including administrator, leading to full site compromise.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

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%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
73%
KEV
Not listed

Published

July 27, 2026

Last Modified

July 27, 2026

Advisory Details (1)

Auto-updated Sep 14, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

MemberGlut < 1.1.5 – Unauthenticated Privilege Escalation to Administrator | CVE 2026-12394 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/6b126a3e-30d5-4bed-ba47-33e589ec2852/

Vendor Advisories for CVE-2026-12394(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 35× in last 7d / 155× 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 319 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Nucleihttp/cves/2026/CVE-2026-12394.yaml
    First seen Jan 1, 2026

    WordPress MemberGlut < 1.1.5 - Unauthenticated Privilege Escalation

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-12394?
CVE-2026-12394 is a critical vulnerability published on July 27, 2026. The MemberGlut WordPress plugin before 1.1.5 does not validate the role chosen during front-end registration, allowing unauthenticated users to register an account with an arbitrary role, including administrator, leading to full site compromise.
When was CVE-2026-12394 disclosed?
CVE-2026-12394 was first published in the National Vulnerability Database on July 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12394 actively exploited?
CVE-2026-12394 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 27.3% of all scored CVEs.
What is the CVSS score of CVE-2026-12394?
CVE-2026-12394 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-12394?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12394, 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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