CVE-2026-87821

{"id": "CVE-2026-87821", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-87821", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-09T12:05:47.404761Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.1, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"repo": "https://github.com/laradashboard/laradashboard", "vendor": "laradashboard", "product": "laradashboard", "versions": [{"status": "affected", "version": "0.9.2", "lessThan": "1.3.2", "versionType": "semver"}], "packageURL": "pkg:github/laradashboard/laradashboard", "collectionURL": "https://github.com/laradashboard/laradashboard", "defaultStatus": "unaffected"}]}], "published": "2026-09-09T12:17:17.417", "references": [{"url": "https://github.com/laradashboard/laradashboard", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/laradashboard/laradashboard/blob/v0.9.2/app/Services/Builder/MarkdownFetchService.php", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/laradashboard/laradashboard/blob/v1.3.1/app/Http/Controllers/Api/Builder/MarkdownController.php", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/laradashboard/laradashboard/blob/v1.3.1/app/Services/Builder/MarkdownFetchService.php", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/laradashboard/laradashboard/blob/v1.3.2/app/Support/Security/SafeUrlValidator.php", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/laradashboard/laradashboard/commit/738cc1a219ce459323ef1d09c3789075f1b8d2f2", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/laradashboard/laradashboard/releases/tag/v1.3.2", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/laradashboard/laradashboard/security/advisories/GHSA-4xqv-4c27-6c4j", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/laradashboard/laradashboard/security/advisories/GHSA-f36j-h77g-6wj8", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/lara-dashboard-0.9.2-through-1.3.1-server-side-request-forgery-in-builder-markdown-fetch", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/laradashboard/laradashboard/security/advisories/GHSA-4xqv-4c27-6c4j", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-918"}]}], "descriptions": [{"lang": "en", "value": "Lara Dashboard through 1.3.1 contains a server-side request forgery vulnerability in the POST /api/admin/builder/markdown/fetch endpoint that allows any authenticated user to fetch arbitrary URLs and read the response body. Attackers can read internal HTTP services and cloud metadata including IAM credentials by supplying malicious URLs without host validation or redirect restrictions."}], "lastModified": "2026-09-09T20:20:21.673", "sourceIdentifier": "disclosure@vulncheck.com"}