CVE-2026-27935
- Source
- https://cve.org/CVERecord?id=CVE-2026-27935
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27935.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-27935
- Aliases
-
- BIT-discourse-2026-27935
- GHSA-wxqr-r4wv-cw76
- Published
- 2026-03-19T21:33:38.459Z
- Modified
- 2026-07-15T01:49:16.657318698Z
- Severity
-
- 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
- Summary
- Discourse leaks private topic metadata to non-authorized users
- Details
-
Discourse is an open-source discussion platform. Versions prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 have a vulnerability in an API endpoint that discloses private topic metadata of admin users to moderator users even if the moderators do not have access to the private topics. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.
- Database specific
{ "cwe_ids": [ "CWE-201" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27935.json", "cna_assigner": "GitHub_M" }- References
-
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27935.json
- https://github.com/discourse/discourse/security/advisories/GHSA-wxqr-r4wv-cw76
- https://nvd.nist.gov/vuln/detail/CVE-2026-27935
- https://github.com/discourse/discourse/commit/c0f6e9a903800de0dda65c114418ae703d8a51fc
- https://github.com/discourse/discourse/commit/d8dbb4cb189cded8c9e8b3ada859fc0db3f41897
- https://github.com/discourse/discourse/commit/f37e4fdf8391e4a54f1885a3a5514d390eb28bab
Affected packages
Git / github.com/discourse/discourse
Affected ranges
- Type
- GIT
- Repo
- https://github.com/discourse/discourse
- Events
-
IntroducedFixedIntroducedFixedIntroducedFixedFixedFixed
- Database specific
{ "cpe": [ "cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*", "cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest:*:*:*" ], "extracted_events": [ { "introduced": "2026.1.0" }, { "fixed": "2026.1.2" }, { "introduced": "2026.2.0" }, { "fixed": "2026.2.1" }, { "introduced": "2026.3.0" }, { "last_affected": "2026.3.0" } ], "source": [ "CPE_RANGE", "CPE_STRING", "REFERENCES" ] }