PT-2026-26706 · Discourse · Discourse

Lowdavidtaylorhq · CVE-2026-33422 · Published 2026-03-20 · Updated 2026-03-27

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.3.0-latest.1 Discourse versions prior to 2026.2.1 Discourse versions prior to 2026.1.2

Description 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 have access to this information.

Recommendations Update to Discourse version 2026.3.0-latest.1 or later. Update to Discourse version 2026.2.1 or later. Update to Discourse version 2026.1.2 or later.

Exploit

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BIT-DISCOURSE-2026-33422

CVE-2026-33422

GHSA-X32R-45VG-VM84

Affected Products

Discourse

References · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33422.json · Exploit
• https://github.com/discourse/discourse/security/advisories/GHSA-x32r-45vg-vm84 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-discourse-2026-33422 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-33422 · Security Note
• https://osv.dev/vulnerability/CVE-2026-33422 · Vendor Advisory
• https://twitter.com/CVEnew/status/2035262114776895915 · Twitter Post