{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-16266", "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "state": "PUBLISHED", "assignerShortName": "snyk", "dateReserved": "2026-07-20T08:55:21.686Z", "datePublished": "2026-07-21T05:00:00.647Z", "dateUpdated": "2026-07-21T14:52:06.858Z"}, "containers": {"cna": {"metrics": [{"cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "exploitCodeMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 4, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N"}, "cvssV4_0": {"version": "4.0", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N"}}], "credits": [{"value": "Dezhen Kong", "lang": "en"}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1321", "description": "Prototype Pollution", "lang": "en"}]}], "providerMetadata": {"orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk", "dateUpdated": "2026-07-21T05:00:00.647Z"}, "descriptions": [{"value": "Versions of the package mongo-object before 3.0.3 are vulnerable to Prototype Pollution via the expandKey() function in util.js. An attacker can modify the JavaScript prototype chain by supplying a crafted property path containing special keys such as __proto__.", "lang": "en"}], "references": [{"url": "https://security.snyk.io/vuln/SNYK-JS-MONGOOBJECT-13816714"}, {"url": "https://github.com/longshotlabs/mongo-object/issues/27"}, {"url": "https://github.com/longshotlabs/mongo-object/blob/4f7a570f2a2fcfa9417b7870d5f859e9574ec73c/src/util.ts%23L251"}, {"url": "https://github.com/longshotlabs/mongo-object/commit/638314107d8b397e5453c28e41729522b3e8d67c"}], "affected": [{"product": "mongo-object", "versions": [{"version": "0", "lessThan": "3.0.3", "status": "affected", "versionType": "semver"}], "vendor": "n/a"}]}, "adp": [{"references": [{"url": "https://github.com/longshotlabs/mongo-object/issues/27", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-21T14:41:50.967466Z", "id": "CVE-2026-16266", "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": "2026-07-21T14:52:06.858Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-16266", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-21T14:41:50.967466Z"}}}], "references": [{"url": "https://github.com/longshotlabs/mongo-object/issues/27", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-21T14:35:34.964Z"}}], "cna": {"credits": [{"lang": "en", "value": "Dezhen Kong"}], "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "exploitCodeMaturity": "NOT_DEFINED", "confidentialityImpact": "NONE"}, "cvssV4_0": {"version": "4.0", "baseScore": 6.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N", "exploitMaturity": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}], "affected": [{"vendor": "n/a", "product": "mongo-object", "versions": [{"status": "affected", "version": "0", "lessThan": "3.0.3", "versionType": "semver"}]}], "references": [{"url": "https://security.snyk.io/vuln/SNYK-JS-MONGOOBJECT-13816714"}, {"url": "https://github.com/longshotlabs/mongo-object/issues/27"}, {"url": "https://github.com/longshotlabs/mongo-object/blob/4f7a570f2a2fcfa9417b7870d5f859e9574ec73c/src/util.ts%23L251"}, {"url": "https://github.com/longshotlabs/mongo-object/commit/638314107d8b397e5453c28e41729522b3e8d67c"}], "descriptions": [{"lang": "en", "value": "Versions of the package mongo-object before 3.0.3 are vulnerable to Prototype Pollution via the expandKey() function in util.js. An attacker can modify the JavaScript prototype chain by supplying a crafted property path containing special keys such as __proto__."}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-1321", "description": "Prototype Pollution"}]}], "providerMetadata": {"orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk", "dateUpdated": "2026-07-21T05:00:00.647Z"}}}, "cveMetadata": {"cveId": "CVE-2026-16266", "state": "PUBLISHED", "dateUpdated": "2026-07-21T14:52:06.858Z", "dateReserved": "2026-07-20T08:55:21.686Z", "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "datePublished": "2026-07-21T05:00:00.647Z", "assignerShortName": "snyk"}, "dataVersion": "5.2"}

{}

{}

{}