SB2026100946 - Multiple vulnerabilities in Kiwi

Description

This security bulletin contains information about 2 vulnerabilities.

1) Missing Authorization (CVE-ID: N/A)

CWE-ID: CWE-862 - Missing Authorization

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to missing email ownership confirmation within User.update API method. A remote user can change an account's email address without confirming ownership of the new address and bypass the email verification mechanism.

2) Information disclosure (CVE-ID: N/A)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to lookup injection in API methods. A remote user can determine email addresses of other users.

Remediation

Install update from vendor's website.

References

• https://github.com/kiwitcms/Kiwi/security/advisories/GHSA-wv2r-fx3r-qfj5
• https://github.com/kiwitcms/Kiwi/security/advisories/GHSA-7fw6-cfjr-g2hj