CVE-2026-93736

{"id": "CVE-2026-93736", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-93736", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-18T17:25:36.834668Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/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": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "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/mealie-recipes/mealie", "vendor": "mealie-recipes", "product": "mealie", "versions": [{"status": "affected", "version": "0", "lessThan": "3.21.0", "versionType": "semver"}], "packageURL": "pkg:github/mealie-recipes/mealie", "defaultStatus": "unaffected"}]}], "published": "2026-09-18T16:17:16.170", "references": [{"url": "https://github.com/mealie-recipes/mealie", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/mealie-recipes/mealie/blob/v3.20.1/mealie/repos/repository_users.py#L82-L88", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/mealie-recipes/mealie/blob/v3.20.1/mealie/routes/users/ratings.py#L44-L52", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/mealie-recipes/mealie/commit/6889101a760a457019276c10514e630660b3ed28", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/mealie-recipes/mealie/issues/7909", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/mealie-recipes/mealie/pull/7903", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/mealie-recipes/mealie/releases/tag/v3.21.0", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/mealie-before-3.21.0-information-disclosure-via-ratings-endpoint", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/mealie-recipes/mealie/issues/7909", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-639"}]}], "descriptions": [{"lang": "en", "value": "Mealie before 3.21.0 fails to validate user ownership in the ratings and favorites endpoints, allowing authenticated attackers to read any user's recipe ratings and favorites by specifying arbitrary user IDs in the URL path. Attackers can access private recipe identifiers, rating values, and favorite flags belonging to other users across different groups or households."}], "lastModified": "2026-09-22T20:53:07.383", "sourceIdentifier": "disclosure@vulncheck.com"}