PT-2026-22183

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2025.12.2 Discourse versions prior to 2026.1.1 Discourse versions prior to 2026.2.0 Description Discourse is an open source discussion platform. Before versions 2025.12.2, 2026.1.1, and 2026.2.0, the voters endpoint...

Discourse 安全漏洞

Discourse is an open-source community discussion platform developed by Discourse. This platform includes features such as communities, email communication, and chat rooms. Versions of Discourse before 2025.12.2, 2026.1.1, and 2026.2.0 contain security vulnerabilities. These vulnerabilities stem...

PT-2026-22187

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2025.12.2 Discourse versions prior to 2026.1.1 Discourse versions prior to 2026.2.0 Description Discourse, an open source discussion platform, had a flaw where a user could add targets who had blocked, ignored, or...

PT-2026-22197

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2025.12.2 Discourse versions prior to 2026.1.1 Discourse versions prior to 2026.2.0 Description Discourse is an open source discussion platform. Trust Level 4 TL4 users could publish topics into staff-only categorie...

Discourse 安全漏洞

Discourse is an open-source community discussion platform developed by Discourse. This platform includes features such as communities, email communication, and chat rooms. Versions of Discourse before 2025.12.2, 2026.1.1, and 2026.2.0 contained security vulnerabilities. These vulnerabilities...

PT-2026-22175

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2025.12.2 Discourse versions prior to 2026.1.1 Discourse versions prior to 2026.2.0 Description Discourse is an open source discussion platform. A flaw exists in the ReviewableNotesController that allows for an...

Discourse SQL注入漏洞

Discourse is an open-source community discussion platform developed by Discourse. This platform includes features such as communities, email communication, and chat rooms. Versions of Discourse before 2025.12.2, 2026.1.1, and 2026.2.0 have a SQL injection vulnerability. This vulnerability stems...

BIT-DISCOURSE-2025-69289 Discourse has insecure default configuration that allows non-admin moderators to takeover any non-staff account via email change

Discourse is an open source discussion platform. A privilege escalation vulnerability in versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 allows a non-admin moderator to bypass email-change restrictions, allowing a takeover of non-staff accounts. This issue is patched in versions 3.5.4...

CVE-2025-66488

Discourse is an open source discussion platform. A vulnerability present in versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 affects anyone who uses S3 for uploads. While scripts may be executed, they will only be run in the context of the S3/CDN domain, with no site credentials...

CVE-2025-67723

Discourse is an open source discussion platform. Versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 have a content-security-policy-mitigated cross-site scriptinv vulnerability on the Discourse Math plugin when using its KaTeX variant. This issue is patched in versions 3.5.4, 2025.11.2,...

CVE-2025-69218

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, moderators can access the topuploads admin report which should be restricted to admins only. This report displays direct URLs to all uploaded files on the site, including sensitive...

CVE-2026-23743

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, permalinks pointing to access-restricted resources private topics, categories, posts, or hidden tags were redirecting users to URLs containing the resource slug, even when the user...

CVE-2025-69218

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, moderators can access the topuploads admin report which should be restricted to admins only. This report displays direct URLs to all uploaded files on the site, including sensitive...

CVE-2025-68934

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, authenticated users can submit crafted payloads to /drafts.json that cause On^2 processing in Base62.decode, tying up workers for 35-60 seconds per request. This affects all users as t...

CVE-2025-68662

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, a hostname validation issue in FinalDestination could allow bypassing SSRF protections under certain conditions. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and...

CVE-2026-23743 Discourse allows permalinks to restricted resources to leak resource slugs to unauthorized users

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, permalinks pointing to access-restricted resources private topics, categories, posts, or hidden tags were redirecting users to URLs containing the resource slug, even when the user...

EUVD-2026-4874

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, moderators can convert some personal messages to public topics when they shouldn't have access. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. As a...

CVE-2025-69289

Discourse is an open source discussion platform. A privilege escalation vulnerability in versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 allows a non-admin moderator to bypass email-change restrictions, allowing a takeover of non-staff accounts. This issue is patched in versions 3.5.4...

CVE-2025-69218 Discourse moderators can access admin-only reports exposing private upload URLs

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, moderators can access the topuploads admin report which should be restricted to admins only. This report displays direct URLs to all uploaded files on the site, including sensitive...

CVE-2025-69218 Discourse moderators can access admin-only reports exposing private upload URLs

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, moderators can access the topuploads admin report which should be restricted to admins only. This report displays direct URLs to all uploaded files on the site, including sensitive...