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.
CVE-2026-56308
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.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.3
- EG Score
- 7.3(high)
- EPSS
- 15.5%
- KEV
- Not listed
Published
July 12, 2026
Last Modified
July 14, 2026
Advisory Details (2)
Auto-updated Jul 12, 2026Capgo - Insufficient Authentication in Email Change Endpoint | Advisories | VulnCheck
https://www.vulncheck.com/advisories/capgo-insufficient-authentication-in-email-change-endpointBug 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-mvm4Vendor 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 21× in last 7d / 21× 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.
- 2026-07-16 00:53 UTCEG score recompute
- 2026-07-16 00:53 UTCGHSA enrichment
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 12:48 UTCEG score recompute
- 2026-07-15 12:48 UTCGHSA enrichment
- 2026-07-15 02:00 UTCEPSS rescore
- 2026-07-15 02:00 UTCEPSS rescore
- 2026-07-15 00:43 UTCEG score recompute
- 2026-07-15 00:42 UTCGHSA enrichment
- 2026-07-14 12:36 UTCEG score recompute
- 2026-07-14 12:36 UTCGHSA enrichment
- 2026-07-14 00:31 UTCEG score recompute
- 2026-07-14 00:31 UTCGHSA enrichment
- 2026-07-13 22:31 UTCEPSS rescore
- 2026-07-13 12:25 UTCEG score recompute
- 2026-07-13 12:25 UTCGHSA enrichment
- 2026-07-13 00:19 UTCEG score recompute
- 2026-07-13 00:19 UTCGHSA enrichment
- 2026-07-12 12:13 UTCEG score recompute
- 2026-07-12 12:12 UTCMITRE cvelistV5first tracked
Frequently asked(5)
What is CVE-2026-56308?
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-56308
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