CVE-2026-56308
HIGHCapgo - Insufficient Authentication in Email Change Endpoint
Title source: cnaDescription
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.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-9px4-w25f-mvm4)
https://github.com/Cap-go/capgo/security/advisories/GHSA-9px4-w25f-mvm4
Third Party Advisory third-party-advisory
VulnCheck Advisory: Capgo - Insufficient Authentication in Email Change Endpoint
https://www.vulncheck.com/advisories/capgo-insufficient-authentication-in-email-change-endpoint
Scores
CVSS v3
7.3
EPSS
0.0024
EPSS Percentile
15.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-640
Status
published
Products (2)
Capgo/Capgo
< 12.128.2
Capgo/Capgo
12.128.2
Published
Jul 12, 2026
Tracked Since
Jul 12, 2026