SB20260422177 - Incorrect authorization in Zulip Server
Published: April 22, 2026
Security Bulletin ID
SB20260422177
CSH Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Incorrect authorization (CVE-ID: CVE-2026-25741)
CWE-ID: CWE-863 - Incorrect Authorization
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to bypass authorization process.
The vulnerability exists due to improper billing-specific authorization check. A remote user can change the organization’s payment method.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.