Information disclosure in Discourse
CVE-2026-33422
Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, the `ip_address` of a flagged user is exposed to any user who can access the review queue, including users who should not be abl…
Vulnerability class: Information Disclosure
EPSS: 0.000 (4.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N.
Affected products
- Discourse — versions >= 2026.1.0-latest, < 2026.1.2, >= 2026.2.0-latest, < 2026.2.1, = 2026.3.0-latest
Weakness classification (CWE)
References
- https://github.com/discourse/discourse/security/advisories/GHSA-x32r-45vg-vm84 (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-33422?
- CVE-2026-33422 is a low-severity vulnerability in Discourse, classified under Information Disclosure. CVSS score: 3.5/10. Published 2026-03-20.
- How severe is CVE-2026-33422?
- Low severity. CVSS v3 base score is 3.5 out of 10.