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CVE-2026-56308

Capgo - Insufficient Authentication in Email Change Endpoint

Published: Jul 12, 2026Updated: Jul 14, 2026 Sources: CVE List NVDCWE-640
7.3HIGH
NVD MITRE
EPSS Score
0.2%
Top 84.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-640

Affected Products

Capgo
package-ecosystemaka cap-go
CapgoLibrary
OSS Libraries / generic-library

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Initial Access
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References

https://github.com/Cap-go/capgo/security/advisories/GHSA-9px4-w25f-mvm4
github.com
https://www.vulncheck.com/advisories/capgo-insufficient-authentication-in-email-change-endpoint
vulncheck.com

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