CVE-2026-53756

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53756", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-10T17:48:40.546Z", "datePublished": "2026-09-04T17:46:58.174Z", "dateUpdated": "2026-09-08T17:43:02.023Z"}, "containers": {"cna": {"title": "Emlog Blind SQL Injection via Authentication Cookie", "problemTypes": [{"descriptions": [{"cweId": "CWE-89", "lang": "en", "description": "CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/emlog/emlog/security/advisories/GHSA-xq97-53c2-vvfg", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/emlog/emlog/security/advisories/GHSA-xq97-53c2-vvfg"}, {"name": "https://github.com/emlog/emlog/commit/92b6eea618891b28ed0c520564dff26e170645b4", "tags": ["x_refsource_MISC"], "url": "https://github.com/emlog/emlog/commit/92b6eea618891b28ed0c520564dff26e170645b4"}, {"name": "https://github.com/emlog/emlog/releases/tag/pro-2.6.16", "tags": ["x_refsource_MISC"], "url": "https://github.com/emlog/emlog/releases/tag/pro-2.6.16"}], "affected": [{"vendor": "emlog", "product": "emlog", "versions": [{"version": "< 2.6.16", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-04T17:46:58.174Z"}, "descriptions": [{"lang": "en", "value": "Emlog is an open source website building system. Prior to version 2.6.16, Emlog CMS Pro contains a blind SQL injection in User_Model::getUserDataByLogin(). The $account parameter is directly interpolated into SQL queries without any filtering. The vulnerability is reachable through the auth cookie validation path, where $username is extracted from the cookie and passed unfiltered into SQL \u2014 guarded only by an HMAC signature that requires AUTH_KEY to forge. This issue has been patched in version 2.6.16."}], "source": {"advisory": "GHSA-xq97-53c2-vvfg", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/emlog/emlog/security/advisories/GHSA-xq97-53c2-vvfg", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-08T17:42:05.509814Z", "id": "CVE-2026-53756", "options": [{"Exploitation": "poc"}, {"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": "2026-09-08T17:43:02.023Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-53756", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-08T17:42:05.509814Z"}}}], "references": [{"url": "https://github.com/emlog/emlog/security/advisories/GHSA-xq97-53c2-vvfg", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-08T17:42:30.915Z"}}], "cna": {"title": "Emlog Blind SQL Injection via Authentication Cookie", "source": {"advisory": "GHSA-xq97-53c2-vvfg", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "emlog", "product": "emlog", "versions": [{"status": "affected", "version": "< 2.6.16"}]}], "references": [{"url": "https://github.com/emlog/emlog/security/advisories/GHSA-xq97-53c2-vvfg", "name": "https://github.com/emlog/emlog/security/advisories/GHSA-xq97-53c2-vvfg", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/emlog/emlog/commit/92b6eea618891b28ed0c520564dff26e170645b4", "name": "https://github.com/emlog/emlog/commit/92b6eea618891b28ed0c520564dff26e170645b4", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/emlog/emlog/releases/tag/pro-2.6.16", "name": "https://github.com/emlog/emlog/releases/tag/pro-2.6.16", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Emlog is an open source website building system. Prior to version 2.6.16, Emlog CMS Pro contains a blind SQL injection in User_Model::getUserDataByLogin(). The $account parameter is directly interpolated into SQL queries without any filtering. The vulnerability is reachable through the auth cookie validation path, where $username is extracted from the cookie and passed unfiltered into SQL \u2014 guarded only by an HMAC signature that requires AUTH_KEY to forge. This issue has been patched in version 2.6.16."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-89", "description": "CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-04T17:46:58.174Z"}}}, "cveMetadata": {"cveId": "CVE-2026-53756", "state": "PUBLISHED", "dateUpdated": "2026-09-08T17:43:02.023Z", "dateReserved": "2026-06-10T17:48:40.546Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-09-04T17:46:58.174Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "emlog", "vendor": "emlog", "versions": [{"status": "affected", "version": "< 2.6.16"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Emlog is an open source website building system. Prior to version 2.6.16, Emlog CMS Pro contains a blind SQL injection in User_Model::getUserDataByLogin(). The $account parameter is directly interpolated into SQL queries without any filtering. The vulnerability is reachable through the auth cookie validation path, where $username is extracted from the cookie and passed unfiltered into SQL \u2014 guarded only by an HMAC signature that requires AUTH_KEY to forge. This issue has been patched in version 2.6.16."}], "id": "CVE-2026-53756", "lastModified": "2026-09-08T21:05:26.920", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53756", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-08T17:42:05.509814Z", "version": "2.0.3"}}]}, "published": "2026-09-04T18:17:52.350", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/emlog/emlog/commit/92b6eea618891b28ed0c520564dff26e170645b4"}, {"source": "security-advisories@github.com", "url": "https://github.com/emlog/emlog/releases/tag/pro-2.6.16"}, {"source": "security-advisories@github.com", "url": "https://github.com/emlog/emlog/security/advisories/GHSA-xq97-53c2-vvfg"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/emlog/emlog/security/advisories/GHSA-xq97-53c2-vvfg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-89"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.6.16)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "emlog", "source": "cna", "vendor": "emlog"}, "product": "emlog", "vendor": "emlog"}], "created": "2026-09-04T20:30:16.926017+00:00", "updated": "2026-09-04T21:30:07.128989+00:00", "vendors": ["emlog", "emlog$PRODUCT$emlog"]}