CVE-2026-15980

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-30. 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.

The MyHome Core plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 4.4.5. This is due to missing authorization in the send_link() AJAX handler and improper token validation in the activate() function. This makes it possible for unauthenticated attackers to generate an activation token for an unconfirmed user account and obtain a valid authentication cookie for that account, including administrators. Successful exploitation requires the MyHome theme to be configured in legacy/WPBakery mode with frontend registration and confirmation email enabled, and the target account must not already have the myhome_agent_confirmed user meta set.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
39%
KEV
Not listed

Published

August 30, 2026

Last Modified

August 31, 2026

References (2)

Vendor Advisories for CVE-2026-15980(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 52× in last 7d / 156× 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 156 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-15980?
CVE-2026-15980 is a critical vulnerability published on August 30, 2026. The MyHome Core plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 4.4.5. This is due to missing authorization in the sendlink() AJAX handler and improper token validation in the activate() function. This makes it possible for unauthenticated attackers…
When was CVE-2026-15980 disclosed?
CVE-2026-15980 was first published in the National Vulnerability Database on August 30, 2026, with the most recent update on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15980 actively exploited?
CVE-2026-15980 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 61.3% of all scored CVEs.
What is the CVSS score of CVE-2026-15980?
CVE-2026-15980 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-15980?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15980, 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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