CVE Explorer
CVE-2026-44783
Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, a flaw in how replies to whisper posts are handled allows authenticated users outside the groups configured in whispers_allowed_groups to post into a topic's staff-only whisper channel. The injected content is visible to whisperers (typically staff) alongside legitimate whispers. Only sites that have whispers enabled are af
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, < 2026.1.4"},{"status":"affected","version":">= 2026.3.0-latest, < 2026.3.1"},{"status":"affected","version":">= 2026.4.0-latest, < 2026.4.1"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:e16ee23f50c3faa47fc11d996bacf5316a5e5dc058a96e7b49cb9fe2d602c159 · sha256:7e73e9fd17f595a0… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:e16ee23f50c3faa47fc11d996bacf5316a5e5dc058a96e7b49cb9fe2d602c159 · sha256:7e73e9fd17f595a0… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:e16ee23f50c3faa47fc11d996bacf5316a5e5dc058a96e7b49cb9fe2d602c159 · sha256:7e73e9fd17f595a0… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/discourse/discourse/security/advisories/GHSA-98ch-mgfj-wqpw","tags":["x_refsource_CONFIRM"],"url":"https://github.com/discourse/discourse/security/advisories/GHSA-98ch-mgfj-wqpw"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e16ee23f50c3faa47fc11d996bacf5316a5e5dc058a96e7b49cb9fe2d602c159 · sha256:7e73e9fd17f595a0… · /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.