CVE-2026-79957

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-79957", "assignerOrgId": "27b6da8a-f51d-48d9-9eef-9b7f3405d20d", "state": "PUBLISHED", "assignerShortName": "BLSOPS", "dateReserved": "2026-09-10T00:45:43.207Z", "datePublished": "2026-10-14T18:01:51.493Z", "dateUpdated": "2026-10-16T20:15:51.180Z"}, "containers": {"cna": {"title": "ServiceNext Insecure Direct Object Reference via GetUsarios", "impacts": [{"capecId": "CAPEC-21", "descriptions": [{"lang": "en", "value": "CAPEC-21 Exploitation of Trusted Identifiers"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 8.1, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "ServiceNext", "product": "SerTec", "versions": [{"status": "affected", "version": "1.00", "versionType": "SerTec"}], "defaultStatus": "unknown"}], "references": [{"url": "https://blog.blacklanternsecurity.com/p/cve-2026-79957-insecure-direct-object", "name": "Insecure Direct Object Reference in ServiceNext", "tags": ["third-party-advisory"]}], "descriptions": [{"lang": "en", "value": "ServiceNext contains an insecure direct object reference (IDOR) in the /api/Usuario/GetUsuarios endpoint, which accepts a user-controlled numeric ID in the request body without verifying that the authenticated token belongs to the requested account (CWE-639). Any authenticated user can iterate the ID parameter to retrieve the full profile record of every other user, including passwords stored in cleartext (CWE-256), enabling account takeover and credential-stuffing attacks."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-639", "description": "CWE-639 Authorization Bypass Through User-Controlled Key"}]}], "providerMetadata": {"orgId": "27b6da8a-f51d-48d9-9eef-9b7f3405d20d", "shortName": "BLSOPS", "dateUpdated": "2026-10-14T18:01:51.493Z"}}, "adp": [{"references": [{"url": "https://blog.blacklanternsecurity.com/p/cve-2026-79957-insecure-direct-object", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-16T20:15:16.490546Z", "id": "CVE-2026-79957", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T20:15:51.180Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-79957", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T20:15:16.490546Z"}}}], "references": [{"url": "https://blog.blacklanternsecurity.com/p/cve-2026-79957-insecure-direct-object", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T20:15:40.902Z"}}], "cna": {"title": "ServiceNext Insecure Direct Object Reference via GetUsarios", "impacts": [{"capecId": "CAPEC-21", "descriptions": [{"lang": "en", "value": "CAPEC-21 Exploitation of Trusted Identifiers"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 8.1, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "ServiceNext", "product": "SerTec", "versions": [{"status": "affected", "version": "1.00", "versionType": "SerTec"}], "defaultStatus": "unknown"}], "references": [{"url": "https://blog.blacklanternsecurity.com/p/cve-2026-79957-insecure-direct-object", "name": "Insecure Direct Object Reference in ServiceNext", "tags": ["third-party-advisory"]}], "descriptions": [{"lang": "en", "value": "ServiceNext contains an insecure direct object reference (IDOR) in the /api/Usuario/GetUsuarios endpoint, which accepts a user-controlled numeric ID in the request body without verifying that the authenticated token belongs to the requested account (CWE-639). Any authenticated user can iterate the ID parameter to retrieve the full profile record of every other user, including passwords stored in cleartext (CWE-256), enabling account takeover and credential-stuffing attacks."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-639", "description": "CWE-639 Authorization Bypass Through User-Controlled Key"}]}], "providerMetadata": {"orgId": "27b6da8a-f51d-48d9-9eef-9b7f3405d20d", "shortName": "BLSOPS", "dateUpdated": "2026-10-14T18:01:51.493Z"}}}, "cveMetadata": {"cveId": "CVE-2026-79957", "state": "PUBLISHED", "dateUpdated": "2026-10-16T20:15:51.180Z", "dateReserved": "2026-09-10T00:45:43.207Z", "assignerOrgId": "27b6da8a-f51d-48d9-9eef-9b7f3405d20d", "datePublished": "2026-10-14T18:01:51.493Z", "assignerShortName": "BLSOPS"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "SerTec", "vendor": "ServiceNext", "versions": [{"status": "affected", "version": "1.00", "versionType": "SerTec"}]}], "source": "cves@blacklanternsecurity.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ServiceNext contains an insecure direct object reference (IDOR) in the /api/Usuario/GetUsuarios endpoint, which accepts a user-controlled numeric ID in the request body without verifying that the authenticated token belongs to the requested account (CWE-639). Any authenticated user can iterate the ID parameter to retrieve the full profile record of every other user, including passwords stored in cleartext (CWE-256), enabling account takeover and credential-stuffing attacks."}], "id": "CVE-2026-79957", "lastModified": "2026-10-16T21:19:53.860", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "cves@blacklanternsecurity.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-79957", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T20:15:16.490546Z", "version": "2.0.3"}}]}, "published": "2026-10-14T18:18:19.133", "references": [{"source": "cves@blacklanternsecurity.com", "url": "https://blog.blacklanternsecurity.com/p/cve-2026-79957-insecure-direct-object"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://blog.blacklanternsecurity.com/p/cve-2026-79957-insecure-direct-object"}], "sourceIdentifier": "cves@blacklanternsecurity.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "cves@blacklanternsecurity.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "1.00"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "SerTec", "source": "cna", "vendor": "ServiceNext"}, "product": "sertec", "vendor": "servicenext"}], "created": "2026-10-15T14:30:18.231470+00:00", "updated": "2026-10-19T13:07:37.243955+00:00", "vendors": ["servicenext", "servicenext$PRODUCT$sertec"]}