{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45788", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-13T08:19:32.602Z", "datePublished": "2026-07-09T21:59:27.495Z", "dateUpdated": "2026-07-09T21:59:27.495Z"}, "containers": {"cna": {"title": "Discourse: Secure uploads exposed by hotlinked image copying", "problemTypes": [{"descriptions": [{"cweId": "CWE-200", "lang": "en", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/discourse/discourse/security/advisories/GHSA-3876-w96v-8v38", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/discourse/discourse/security/advisories/GHSA-3876-w96v-8v38"}, {"name": "https://github.com/discourse/discourse/commit/5807c426880eadf248006e851604fc9284327ce5", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/5807c426880eadf248006e851604fc9284327ce5"}, {"name": "https://github.com/discourse/discourse/commit/8b4a959b251a856a9c911fb9f2ac34fbc31a7471", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/8b4a959b251a856a9c911fb9f2ac34fbc31a7471"}, {"name": "https://github.com/discourse/discourse/commit/eff53af26367ae0dcb3a426954d233e8c7449f95", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/eff53af26367ae0dcb3a426954d233e8c7449f95"}, {"name": "https://github.com/discourse/discourse/commit/fa74e0dec7341a858ab83a1977fa52629bced1aa", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/fa74e0dec7341a858ab83a1977fa52629bced1aa"}, {"name": "https://github.com/discourse/discourse/releases/tag/v2026.1.5", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/releases/tag/v2026.1.5"}, {"name": "https://github.com/discourse/discourse/releases/tag/v2026.4.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/releases/tag/v2026.4.2"}, {"name": "https://github.com/discourse/discourse/releases/tag/v2026.5.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/releases/tag/v2026.5.1"}, {"name": "https://github.com/discourse/discourse/releases/tag/v2026.6.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/releases/tag/v2026.6.0"}], "affected": [{"vendor": "discourse", "product": "discourse", "versions": [{"version": ">= 2026.1.0-latest, < 2026.1.5", "status": "affected"}, {"version": ">= 2026.4.0-latest, < 2026.4.2", "status": "affected"}, {"version": ">= 2026.5.0-latest, < 2026.5.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-09T21:59:27.495Z"}, "descriptions": [{"lang": "en", "value": "Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, secure uploads could be exposed by pull_hotlinked_images when an attacker knew the secured upload URL and the secure_uploads site setting was enabled. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5."}], "source": {"advisory": "GHSA-3876-w96v-8v38", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2026.1.0-latest,2026.1.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2026.4.0-latest,2026.4.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2026.5.0-latest,2026.5.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "discourse", "source": "cna", "vendor": "discourse"}, "product": "discourse", "vendor": "discourse"}], "created": "2026-07-09T23:30:16.329605+00:00", "updated": "2026-07-09T23:30:16.329626+00:00", "vendors": ["discourse", "discourse$PRODUCT$discourse"]}