Missing Authorization in WPGraphQL - CVE-2026-33290
Published: April 27, 2026
Vulnerability identifier: #VU128189
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-33290
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: WPGraphQL
Affected software:
WPGraphQL
WPGraphQL
Detailed vulnerability description
The vulnerability allows a remote user to bypass comment moderation workflows.
The vulnerability exists due to missing authorization in the updateComment mutation when processing comment status updates from a comment owner. A remote user can submit a crafted GraphQL mutation to bypass comment moderation workflows.
The issue affects changes to the moderation state of the user's own comment, including setting the status to approve without the moderate_comments capability.
How to mitigate CVE-2026-33290
Install security update from vendor's website.