CVE Explorer
CVE-2026-27935
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"discourse","vendor":"discourse","versions":[{"status":"affected","version":">= 2026.1.0-latest, < 2026.1.2"},{"status":"affected","version":">= 2026.2.0-latest, < 2026.2.1"},{"status":"affected","version":"= 2026.3.0-latest"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:e8d8564da21cbc8fc40db55b05571edfeb7b4ee68b2dfaa6155cf94d055b4cce · sha256:1255af96d2282eba… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"HIGH","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:e8d8564da21cbc8fc40db55b05571edfeb7b4ee68b2dfaa6155cf94d055b4cce · sha256:1255af96d2282eba… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-201","description":"CWE-201: Insertion of Sensitive Information Into Sent Data","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:e8d8564da21cbc8fc40db55b05571edfeb7b4ee68b2dfaa6155cf94d055b4cce · sha256:1255af96d2282eba… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/discourse/discourse/commit/c0f6e9a903800de0dda65c114418ae703d8a51fc","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/c0f6e9a903800de0dda65c114418ae703d8a51fc"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e8d8564da21cbc8fc40db55b05571edfeb7b4ee68b2dfaa6155cf94d055b4cce · sha256:1255af96d2282eba… · /containers/cna/references/1
{"name":"https://github.com/discourse/discourse/commit/d8dbb4cb189cded8c9e8b3ada859fc0db3f41897","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/d8dbb4cb189cded8c9e8b3ada859fc0db3f41897"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e8d8564da21cbc8fc40db55b05571edfeb7b4ee68b2dfaa6155cf94d055b4cce · sha256:1255af96d2282eba… · /containers/cna/references/2
{"name":"https://github.com/discourse/discourse/commit/f37e4fdf8391e4a54f1885a3a5514d390eb28bab","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/f37e4fdf8391e4a54f1885a3a5514d390eb28bab"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e8d8564da21cbc8fc40db55b05571edfeb7b4ee68b2dfaa6155cf94d055b4cce · sha256:1255af96d2282eba… · /containers/cna/references/3
{"name":"https://github.com/discourse/discourse/security/advisories/GHSA-wxqr-r4wv-cw76","tags":["x_refsource_CONFIRM"],"url":"https://github.com/discourse/discourse/security/advisories/GHSA-wxqr-r4wv-cw76"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e8d8564da21cbc8fc40db55b05571edfeb7b4ee68b2dfaa6155cf94d055b4cce · sha256:1255af96d2282eba… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.