CVE-2026-33426

Published: Mar 21, 2026 Last Modified: Mar 21, 2026
ExploitDB:
Other exploit source:
Google Dorks:
LOW 3,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: high
User Interaction: required
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: none

Description

AI Translation Available

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, users with tag-editing permissions could edit and create synonyms for tags hidden in restricted tag groups, even if they lacked visibility into those tags. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

862

Missing Authorization

Incomplete
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Access Control Availability
Potential Impacts:
Read Application Data Read Files Or Directories Modify Application Data Modify Files Or Directories Gain Privileges Or Assume Identity Bypass Protection Mechanism Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Resource Consumption (Other)
Applicable Platforms
Technologies: AI/ML, Database Server, Not Technology-Specific, Web Server
Likelihood of Exploit: High
View CWE Details
https://github.com/discourse/discourse/security/advisories/…
https://github.com/discourse/discourse/security/advisories/GHSA-2289-4m46-2hxh