Vulnerability · Published Jul 12, 2026 · Assigned by VulnCheck
CVE-2026-56308Capgo - Insufficient Authentication in Email Change Endpoint
High 7.3
In plain English
A high-severity security flaw in Capgo from Capgo. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.3%top 76.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-640 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
References
- GitHub Security Advisory (GHSA-9px4-w25f-mvm4) vendor-advisory
- VulnCheck Advisory: Capgo - Insufficient Authentication in Email Change Endpoint third-party-advisory