CVE-2026-56081

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-20. a secondary CVSS source baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.1Exploit: None knownExposed: 0

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

Cap-go before 12.128.2 contains an authentication logic flaw that lets an attacker register and control an account bound to a victim's email address before that email is verified. By enabling two-factor authentication on the pre-registered account, the attacker gains control over the account claimed under the victim's identity, allowing them to read and modify its state and enforce organization-level policies, while the legitimate user is denied access to the account tied to their own email.

CVSS v3
9.1
EG Score
9.1(medium)
EG Risk
46(Track)
EG Risk 46/100SSVC: 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
Severity91% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
45%
KEV
Not listed

Published

June 19, 2026

Last Modified

June 22, 2026

Advisory Details (2)

Auto-updated Aug 1, 2026
🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available

Critical Vulnerability :- 2Fa Misconfiguration lead to Lockout the victim !! · Advisory · Cap-go/capgo.app · GitHub

https://github.com/Cap-go/capgo/security/advisories/GHSA-j4cx-5pw6-5v5j
generic

Cap-go - Account Lockout via 2FA Misconfiguration on Unverified Email | Advisories | VulnCheck

https://www.vulncheck.com/advisories/cap-go-account-lockout-via-2fa-misconfiguration-on-unverified-email

Vendor Advisories for CVE-2026-56081(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 34× in last 7d / 188× 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 401 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-56081?
CVE-2026-56081 is a critical vulnerability published on June 19, 2026. Cap-go before 12.128.2 contains an authentication logic flaw that lets an attacker register and control an account bound to a victim's email address before that email is verified. By enabling two-factor authentication on the pre-registered account, the attacker gains control over the account…
When was CVE-2026-56081 disclosed?
CVE-2026-56081 was first published in the National Vulnerability Database on June 19, 2026, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56081 actively exploited?
CVE-2026-56081 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 55.2% of all scored CVEs.
What is the CVSS score of CVE-2026-56081?
CVE-2026-56081 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2026-56081?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56081, 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.

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