CVE-2026-56308

high

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.

References

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

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

Details

Source: Mitre, NVD

Published: 2026-07-12

Updated: 2026-07-12

Risk Information

CVSS v2

Base Score: 8.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 7.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Severity: High

CVSS v4

Base Score: 8.4

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Severity: High