CVE-2026-33423 LOW

CVE-2026-33423: Discourse staff can modify any user's group notification level

Vendor Discourse
Product discourse
Weakness CWE-862 · Missing authorization
Published March 20, 2026
Last update March 23, 2026
View on NVD All CVEs

CVSS base score

1.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, staff can modify any user's group notification level. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

Key dates

02Disclosure timeline

March 20, 2026 CVE published
March 23, 2026 Record updated

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04Related CVE

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