{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-85724", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-04T14:45:10.648Z", "datePublished": "2026-09-23T16:29:36.296Z", "dateUpdated": "2026-09-23T16:29:36.296Z"}, "containers": {"cna": {"title": "Moquette pattern ACL wildcard injection allows cross-tenant authorization bypass", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-155", "lang": "en", "description": "CWE-155: Improper Neutralization of Wildcards or Matching Symbols", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/moquette-io/moquette/security/advisories/GHSA-5f42-97gr-vfhq", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/moquette-io/moquette/security/advisories/GHSA-5f42-97gr-vfhq"}, {"name": "https://github.com/moquette-io/moquette/commit/b4a98bb3f3425ece476ed073aa080c627c1239af", "tags": ["x_refsource_MISC"], "url": "https://github.com/moquette-io/moquette/commit/b4a98bb3f3425ece476ed073aa080c627c1239af"}, {"name": "https://github.com/moquette-io/moquette/releases/tag/v0.18.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/moquette-io/moquette/releases/tag/v0.18.1"}], "affected": [{"vendor": "moquette-io", "product": "moquette", "versions": [{"version": "< 0.18.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-23T16:29:36.296Z"}, "descriptions": [{"lang": "en", "value": "Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, when pattern-based ACL rules are configured, AuthorizationsCollector.canDoOperation substitutes client ID and username values directly into rules containing %c or %u and then treats the result as an MQTT topic filter. A client that uses + or # in either identity can broaden the substituted filter and gain cross-tenant read and write access. A # identity can also produce an invalid filter that triggers a NullPointerException in Topic.match and disrupts session processing. This issue is fixed in version 0.18.1."}], "source": {"advisory": "GHSA-5f42-97gr-vfhq", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "moquette", "vendor": "moquette-io", "versions": [{"status": "affected", "version": "< 0.18.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, when pattern-based ACL rules are configured, AuthorizationsCollector.canDoOperation substitutes client ID and username values directly into rules containing %c or %u and then treats the result as an MQTT topic filter. A client that uses + or # in either identity can broaden the substituted filter and gain cross-tenant read and write access. A # identity can also produce an invalid filter that triggers a NullPointerException in Topic.match and disrupts session processing. This issue is fixed in version 0.18.1."}], "id": "CVE-2026-85724", "lastModified": "2026-09-23T17:17:17.623", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 5.8, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-23T17:17:17.623", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/moquette-io/moquette/commit/b4a98bb3f3425ece476ed073aa080c627c1239af"}, {"source": "security-advisories@github.com", "url": "https://github.com/moquette-io/moquette/releases/tag/v0.18.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/moquette-io/moquette/security/advisories/GHSA-5f42-97gr-vfhq"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-155"}, {"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-09-23T17:30:06.830432+00:00", "updated": "2026-09-23T17:30:06.830437+00:00", "vendors": []}