{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72723", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-10T13:48:09.545Z", "datePublished": "2026-08-10T15:56:53.723Z", "dateUpdated": "2026-08-10T21:11:02.865Z"}, "containers": {"cna": {"title": "Discourse: Anonymous sidebar serialization exposes descriptions of category-restricted tags", "problemTypes": [{"descriptions": [{"cweId": "CWE-862", "lang": "en", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/discourse/discourse/security/advisories/GHSA-4p6q-h74v-5j7p", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/discourse/discourse/security/advisories/GHSA-4p6q-h74v-5j7p"}, {"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/pull/42092", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/pull/42092"}, {"name": "https://github.com/discourse/discourse/pull/42093", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/pull/42093"}, {"name": "https://github.com/discourse/discourse/pull/42094", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/pull/42094"}, {"name": "https://github.com/discourse/discourse/commit/0248e9ca82d0493037a9ca04d73904ccfad795f9", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/0248e9ca82d0493037a9ca04d73904ccfad795f9"}, {"name": "https://github.com/discourse/discourse/commit/03444ddb74d535dda557350f4c5800a6ec2669d7", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/03444ddb74d535dda557350f4c5800a6ec2669d7"}, {"name": "https://github.com/discourse/discourse/commit/900f51c147913f667e64484c2f2dd48c723314ac", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/900f51c147913f667e64484c2f2dd48c723314ac"}, {"name": "https://github.com/discourse/discourse/commit/da84c677213cac3b024e753f180f45472b89efde", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/da84c677213cac3b024e753f180f45472b89efde"}], "affected": [{"vendor": "discourse", "product": "discourse", "versions": [{"version": "< 2026.1.6", "status": "affected"}, {"version": ">= 2026.5.0-latest, < 2026.5.2", "status": "affected"}, {"version": ">= 2026.6.0-latest, < 2026.6.1", "status": "affected"}, {"version": ">= 2026.7.0-latest, < 2026.7.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-10T15:56:53.723Z"}, "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, SiteSerializer.anonymous_default_navigation_menu_tags serializes tags from SiteSetting.default_navigation_menu_tags without applying DiscourseTagging.filter_visible for the anonymous viewer. An unauthenticated user can retrieve restricted tag names and descriptions through /site.json when those tags are limited by inaccessible categories, category tag groups, or tag-group permissions. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0."}], "source": {"advisory": "GHSA-4p6q-h74v-5j7p", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-10T19:02:43.987708Z", "id": "CVE-2026-72723", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2026-08-10T21:11:02.865Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-72723", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-10T19:02:43.987708Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-10T19:02:48.876Z"}}], "cna": {"title": "Discourse: Anonymous sidebar serialization exposes descriptions of category-restricted tags", "source": {"advisory": "GHSA-4p6q-h74v-5j7p", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "discourse", "product": "discourse", "versions": [{"status": "affected", "version": "< 2026.1.6"}, {"status": "affected", "version": ">= 2026.5.0-latest, < 2026.5.2"}, {"status": "affected", "version": ">= 2026.6.0-latest, < 2026.6.1"}, {"status": "affected", "version": ">= 2026.7.0-latest, < 2026.7.0"}]}], "references": [{"url": "https://github.com/discourse/discourse/security/advisories/GHSA-4p6q-h74v-5j7p", "name": "https://github.com/discourse/discourse/security/advisories/GHSA-4p6q-h74v-5j7p", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/discourse/discourse/pull/42091", "name": "https://github.com/discourse/discourse/pull/42091", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/discourse/discourse/pull/42092", "name": "https://github.com/discourse/discourse/pull/42092", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/discourse/discourse/pull/42093", "name": "https://github.com/discourse/discourse/pull/42093", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/discourse/discourse/pull/42094", "name": "https://github.com/discourse/discourse/pull/42094", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/discourse/discourse/commit/0248e9ca82d0493037a9ca04d73904ccfad795f9", "name": "https://github.com/discourse/discourse/commit/0248e9ca82d0493037a9ca04d73904ccfad795f9", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/discourse/discourse/commit/03444ddb74d535dda557350f4c5800a6ec2669d7", "name": "https://github.com/discourse/discourse/commit/03444ddb74d535dda557350f4c5800a6ec2669d7", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/discourse/discourse/commit/900f51c147913f667e64484c2f2dd48c723314ac", "name": "https://github.com/discourse/discourse/commit/900f51c147913f667e64484c2f2dd48c723314ac", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/discourse/discourse/commit/da84c677213cac3b024e753f180f45472b89efde", "name": "https://github.com/discourse/discourse/commit/da84c677213cac3b024e753f180f45472b89efde", "tags": ["x_refsource_MISC"]}], "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, SiteSerializer.anonymous_default_navigation_menu_tags serializes tags from SiteSetting.default_navigation_menu_tags without applying DiscourseTagging.filter_visible for the anonymous viewer. An unauthenticated user can retrieve restricted tag names and descriptions through /site.json when those tags are limited by inaccessible categories, category tag groups, or tag-group permissions. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-862", "description": "CWE-862: Missing Authorization"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-10T15:56:53.723Z"}}}, "cveMetadata": {"cveId": "CVE-2026-72723", "state": "PUBLISHED", "dateUpdated": "2026-08-10T21:11:02.865Z", "dateReserved": "2026-08-10T13:48:09.545Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-08-10T15:56:53.723Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "discourse", "vendor": "discourse", "versions": [{"status": "affected", "version": "< 2026.1.6"}, {"status": "affected", "version": ">= 2026.5.0-latest, < 2026.5.2"}, {"status": "affected", "version": ">= 2026.6.0-latest, < 2026.6.1"}, {"status": "affected", "version": ">= 2026.7.0-latest, < 2026.7.0"}]}], "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, SiteSerializer.anonymous_default_navigation_menu_tags serializes tags from SiteSetting.default_navigation_menu_tags without applying DiscourseTagging.filter_visible for the anonymous viewer. An unauthenticated user can retrieve restricted tag names and descriptions through /site.json when those tags are limited by inaccessible categories, category tag groups, or tag-group permissions. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0."}], "id": "CVE-2026-72723", "lastModified": "2026-08-10T21:17:23.923", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-72723", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-10T19:02:43.987708Z", "version": "2.0.3"}}]}, "published": "2026-08-10T16:19:49.667", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/commit/0248e9ca82d0493037a9ca04d73904ccfad795f9"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/commit/03444ddb74d535dda557350f4c5800a6ec2669d7"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/commit/900f51c147913f667e64484c2f2dd48c723314ac"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/commit/da84c677213cac3b024e753f180f45472b89efde"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/pull/42091"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/pull/42092"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/pull/42093"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/pull/42094"}, {"source": "security-advisories@github.com", "url": "https://github.com/discourse/discourse/security/advisories/GHSA-4p6q-h74v-5j7p"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}