{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-84302", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-01T16:17:43.078Z", "datePublished": "2026-09-24T16:49:56.499Z", "dateUpdated": "2026-09-24T17:04:51.257Z"}, "containers": {"cna": {"title": "Discourse: Non-participant moderators can read, edit, and delete PM content through Discourse AI reviewables", "problemTypes": [{"descriptions": [{"cweId": "CWE-862", "lang": "en", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/discourse/discourse/security/advisories/GHSA-3rx9-fqgh-wfpc", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/discourse/discourse/security/advisories/GHSA-3rx9-fqgh-wfpc"}, {"name": "https://github.com/discourse/discourse/pull/42091", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/pull/42091"}, {"name": "https://github.com/discourse/discourse/commit/1566d04524c01472375944bbf7b198dd09a99427", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/1566d04524c01472375944bbf7b198dd09a99427"}, {"name": "https://github.com/discourse/discourse/commit/23488b72a200228e805c4e6d970fbad216d328c5", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/23488b72a200228e805c4e6d970fbad216d328c5"}, {"name": "https://github.com/discourse/discourse/commit/38d10c0e5d1b76540d2860455e0290f8e975c9fd", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/38d10c0e5d1b76540d2860455e0290f8e975c9fd"}, {"name": "https://github.com/discourse/discourse/commit/b323702d87cd82c327c116d9566477f3c4f9635f", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/b323702d87cd82c327c116d9566477f3c4f9635f"}], "affected": [{"vendor": "discourse", "product": "discourse", "versions": [{"version": "< 2026.7.0", "status": "affected"}, {"version": ">= 2026.6.0-latest, < 2026.6.1", "status": "affected"}, {"version": ">= 2026.5.0-latest, < 2026.5.2", "status": "affected"}, {"version": ">= 2026.1.0-latest, < 2026.1.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-24T16:49:56.499Z"}, "descriptions": [{"lang": "en", "value": "Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, Discourse AI reviewables associated with private messages could appear in the moderator review queue of a moderator who was not a participant in the message. Reviewable visibility filtering did not restrict private-message reviewables to the audience permitted to access the underlying private-message topic, allowing the moderator to read otherwise confidential content. Depending on the available reviewable action, the moderator could also modify the private message by closing its topic or deleting a post. Exploitation requires an authenticated moderator account and a pre-existing Discourse AI reviewable associated with a private message. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0."}], "source": {"advisory": "GHSA-3rx9-fqgh-wfpc", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-24T17:04:31.550424Z", "id": "CVE-2026-84302", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-24T17:04:51.257Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-84302", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-01T16:17:43.078Z", "datePublished": "2026-09-24T16:49:56.499Z", "dateUpdated": "2026-09-24T17:04:51.257Z"}, "containers": {"cna": {"title": "Discourse: Non-participant moderators can read, edit, and delete PM content through Discourse AI reviewables", "problemTypes": [{"descriptions": [{"cweId": "CWE-862", "lang": "en", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/discourse/discourse/security/advisories/GHSA-3rx9-fqgh-wfpc", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/discourse/discourse/security/advisories/GHSA-3rx9-fqgh-wfpc"}, {"name": "https://github.com/discourse/discourse/pull/42091", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/pull/42091"}, {"name": "https://github.com/discourse/discourse/commit/1566d04524c01472375944bbf7b198dd09a99427", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/1566d04524c01472375944bbf7b198dd09a99427"}, {"name": "https://github.com/discourse/discourse/commit/23488b72a200228e805c4e6d970fbad216d328c5", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/23488b72a200228e805c4e6d970fbad216d328c5"}, {"name": "https://github.com/discourse/discourse/commit/38d10c0e5d1b76540d2860455e0290f8e975c9fd", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/38d10c0e5d1b76540d2860455e0290f8e975c9fd"}, {"name": "https://github.com/discourse/discourse/commit/b323702d87cd82c327c116d9566477f3c4f9635f", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/b323702d87cd82c327c116d9566477f3c4f9635f"}], "affected": [{"vendor": "discourse", "product": "discourse", "versions": [{"version": "< 2026.7.0", "status": "affected"}, {"version": ">= 2026.6.0-latest, < 2026.6.1", "status": "affected"}, {"version": ">= 2026.5.0-latest, < 2026.5.2", "status": "affected"}, {"version": ">= 2026.1.0-latest, < 2026.1.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-24T16:49:56.499Z"}, "descriptions": [{"lang": "en", "value": "Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, Discourse AI reviewables associated with private messages could appear in the moderator review queue of a moderator who was not a participant in the message. Reviewable visibility filtering did not restrict private-message reviewables to the audience permitted to access the underlying private-message topic, allowing the moderator to read otherwise confidential content. Depending on the available reviewable action, the moderator could also modify the private message by closing its topic or deleting a post. Exploitation requires an authenticated moderator account and a pre-existing Discourse AI reviewable associated with a private message. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0."}], "source": {"advisory": "GHSA-3rx9-fqgh-wfpc", "discovery": "UNKNOWN"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-84302", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-24T17:04:31.550424Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-24T17:04:46.056Z"}}]}}

{"affected": [{"affectedData": [{"product": "discourse", "vendor": "discourse", "versions": [{"status": "affected", "version": "< 2026.7.0"}, {"status": "affected", "version": ">= 2026.6.0-latest, < 2026.6.1"}, {"status": "affected", "version": ">= 2026.5.0-latest, < 2026.5.2"}, {"status": "affected", "version": ">= 2026.1.0-latest, < 2026.1.6"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, Discourse AI reviewables associated with private messages could appear in the moderator review queue of a moderator who was not a participant in the message. Reviewable visibility filtering did not restrict private-message reviewables to the audience permitted to access the underlying private-message topic, allowing the moderator to read otherwise confidential content. Depending on the available reviewable action, the moderator could also modify the private message by closing its topic or deleting a post. Exploitation requires an authenticated moderator account and a pre-existing Discourse AI reviewable associated with a private message. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0."}], "id": "CVE-2026-84302", "lastModified": "2026-09-24T17:17:06.937", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-24T17:17:06.793", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/commit/1566d04524c01472375944bbf7b198dd09a99427"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/commit/23488b72a200228e805c4e6d970fbad216d328c5"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/commit/38d10c0e5d1b76540d2860455e0290f8e975c9fd"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/commit/b323702d87cd82c327c116d9566477f3c4f9635f"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/pull/42091"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/security/advisories/GHSA-3rx9-fqgh-wfpc"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}