{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-7502", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-04-30T14:38:49.163Z", "datePublished": "2026-04-30T21:15:12.518Z", "dateUpdated": "2026-04-30T21:15:12.518Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-04-30T21:15:12.518Z"}, "title": "LinkStackOrg LinkStack Management Endpoint UserController.php saveLink authorization", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-639", "lang": "en", "description": "Authorization Bypass"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-285", "lang": "en", "description": "Improper Authorization"}]}], "affected": [{"vendor": "LinkStackOrg", "product": "LinkStack", "versions": [{"version": "4.8.0", "status": "affected"}, {"version": "4.8.1", "status": "affected"}, {"version": "4.8.2", "status": "affected"}, {"version": "4.8.3", "status": "affected"}, {"version": "4.8.4", "status": "affected"}, {"version": "4.8.5", "status": "affected"}, {"version": "4.8.6", "status": "affected"}], "modules": ["Management Endpoint"]}], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in LinkStackOrg LinkStack up to 4.8.6. The affected element is the function saveLink of the file app/Http/Controllers/UserController.php of the component Management Endpoint. The manipulation leads to authorization bypass. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The pull request to fix this issue awaits acceptance."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.4, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P/E:POC/RL:ND/RC:C"}}], "timeline": [{"time": "2026-04-30T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-04-30T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-04-30T16:43:58.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "AliAz (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/360312", "name": "VDB-360312 | LinkStackOrg LinkStack Management Endpoint UserController.php saveLink authorization", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/360312/cti", "name": "VDB-360312 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/submit/801787", "name": "Submit #801787 | LinkStackOrg LinkStack 4.8.6 Authorization Bypass", "tags": ["third-party-advisory"]}, {"url": "https://github.com/LinkStackOrg/LinkStack/pull/975", "tags": ["issue-tracking", "patch"]}, {"url": "https://github.com/LinkStackOrg/LinkStack/pull/975#issuecomment-4224234970", "tags": ["issue-tracking", "patch"]}, {"url": "https://github.com/az10b/security-advisories/blob/main/idor_linkstack.md", "tags": ["exploit"]}, {"url": "https://github.com/LinkStackOrg/LinkStack/", "tags": ["product"]}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in LinkStackOrg LinkStack up to 4.8.6. The affected element is the function saveLink of the file app/Http/Controllers/UserController.php of the component Management Endpoint. The manipulation leads to authorization bypass. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The pull request to fix this issue awaits acceptance."}], "id": "CVE-2026-7502", "lastModified": "2026-04-30T22:16:26.710", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 5.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.1, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-04-30T22:16:26.710", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/LinkStackOrg/LinkStack/"}, {"source": "cna@vuldb.com", "url": "https://github.com/LinkStackOrg/LinkStack/pull/975"}, {"source": "cna@vuldb.com", "url": "https://github.com/LinkStackOrg/LinkStack/pull/975#issuecomment-4224234970"}, {"source": "cna@vuldb.com", "url": "https://github.com/az10b/security-advisories/blob/main/idor_linkstack.md"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/801787"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/360312"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/360312/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-285"}, {"lang": "en", "value": "CWE-639"}], "source": "cna@vuldb.com", "type": "Primary"}]}

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