CVE-2026-27481
- Source
- https://cve.org/CVERecord?id=CVE-2026-27481
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27481.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-27481
- Aliases
-
- BIT-discourse-2026-27481
- GHSA-6c9x-3vrp-682x
- Published
- 2026-04-03T21:27:12.156Z
- Modified
- 2026-07-27T03:56:38.481379344Z
- Severity
-
- 6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
- Summary
- Discourse: Hidden tag visibility bypass on tag routes
- Details
-
Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, an authorization bypass vulnerability allows unauthenticated or unauthorized users to view hidden (staff-only) tags and its associated data. All Discourse instances with tagging enabled and staff-only tag groups configured are impacted. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.
- Database specific
{ "cwe_ids": [ "CWE-200" ], "cna_assigner": "GitHub_M", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27481.json" }- References
Affected packages
Git / github.com/discourse/discourse
Affected ranges
- Type
- GIT
- Repo
- https://github.com/discourse/discourse
- Events
- Database specific
{ "source": "AFFECTED_FIELD", "extracted_events": [ { "introduced": "2026.1.0-latest" }, { "fixed": "2026.1.3" }, { "introduced": "2026.2.0-latest" }, { "fixed": "2026.2.2" }, { "introduced": "2026.3.0-latest" }, { "fixed": "2026.3.0" } ] }