CVE Explorer
CVE-2026-33355
Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, the `/private-posts` endpoint did not apply post-type visibility filtering, allowing regular PM participants to see whisper posts in PM topics they had access to. 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:v2:9a99119c31b46e36dfc870825e551ec64b2f22f7f85ccfadf4b848ae9d21b244 · sha256:6dcdb7ca10a93037… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:9a99119c31b46e36dfc870825e551ec64b2f22f7f85ccfadf4b848ae9d21b244 · sha256:6dcdb7ca10a93037… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:9a99119c31b46e36dfc870825e551ec64b2f22f7f85ccfadf4b848ae9d21b244 · sha256:6dcdb7ca10a93037… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/discourse/discourse/commit/84e5865a279716c6866e8c0648d1d8b42320603c","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/84e5865a279716c6866e8c0648d1d8b42320603c"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9a99119c31b46e36dfc870825e551ec64b2f22f7f85ccfadf4b848ae9d21b244 · sha256:6dcdb7ca10a93037… · /containers/cna/references/1
{"name":"https://github.com/discourse/discourse/commit/d25b8ee9ee182dbb34e92b34e39878ce4d59bcdc","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/d25b8ee9ee182dbb34e92b34e39878ce4d59bcdc"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9a99119c31b46e36dfc870825e551ec64b2f22f7f85ccfadf4b848ae9d21b244 · sha256:6dcdb7ca10a93037… · /containers/cna/references/2
{"name":"https://github.com/discourse/discourse/commit/d2f317271ad7638f1e2791905472ebd9370946d1","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/d2f317271ad7638f1e2791905472ebd9370946d1"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9a99119c31b46e36dfc870825e551ec64b2f22f7f85ccfadf4b848ae9d21b244 · sha256:6dcdb7ca10a93037… · /containers/cna/references/3
{"name":"https://github.com/discourse/discourse/security/advisories/GHSA-g4v5-6gfp-3hjq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/discourse/discourse/security/advisories/GHSA-g4v5-6gfp-3hjq"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9a99119c31b46e36dfc870825e551ec64b2f22f7f85ccfadf4b848ae9d21b244 · sha256:6dcdb7ca10a93037… · /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.