SB20260422177 - Incorrect authorization in Zulip Server



SB20260422177 - Incorrect authorization in Zulip Server

Published: April 22, 2026

Security Bulletin ID SB20260422177
Severity
Medium
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Incorrect authorization (CVE-ID: CVE-2026-25741)

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.