CVE-2026-56308

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-07-12. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.3Exploit: Elevated riskExposed: 0

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

Capgo before 12.128.2 allows email address changes without requiring current password re-authentication or verification of the existing email address. An attacker with access to a valid session cookie or authenticated browser can change the account email to gain control of account recovery and bypass multi-factor authentication protections.

CVSS v3
7.3
EG Score
7.3(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
Severity73% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
36%
KEV
Not listed

Published

July 12, 2026

Last Modified

July 14, 2026

Advisory Details (2)

Auto-updated Jul 12, 2026
Patch available. Sources: github.
generic

Capgo - Insufficient Authentication in Email Change Endpoint | Advisories | VulnCheck

https://www.vulncheck.com/advisories/capgo-insufficient-authentication-in-email-change-endpoint
github Patch Available

Bug Report: No Password Verification During Email Change — Email Changed Without Confirming Current Password · Advisory · Cap-go/capgo · GitHub

https://github.com/Cap-go/capgo/security/advisories/GHSA-9px4-w25f-mvm4

Vendor Advisories for CVE-2026-56308(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 19× in last 7d / 108× 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 155 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-56308?
CVE-2026-56308 is a high vulnerability published on July 12, 2026. Capgo before 12.128.2 allows email address changes without requiring current password re-authentication or verification of the existing email address. An attacker with access to a valid session cookie or authenticated browser can change the account email to gain control of account recovery and…
When was CVE-2026-56308 disclosed?
CVE-2026-56308 was first published in the National Vulnerability Database on July 12, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56308 actively exploited?
CVE-2026-56308 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 64.3% of all scored CVEs.
What is the CVSS score of CVE-2026-56308?
CVE-2026-56308 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-56308?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56308, 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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