{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-119555", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-30T10:53:27.819Z", "datePublished": "2026-10-30T11:31:05.504Z", "dateUpdated": "2026-10-30T11:31:05.504Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-30T11:31:05.504Z"}, "datePublic": "2026-10-12T00:00:00.000Z", "title": "Moodle through 5.3.0, 5.2.4, 5.1.8, 5.0.11 and 4.5.15 Information Disclosure via core_grades_get_feedback", "descriptions": [{"lang": "en", "value": "Moodle 4.2.0 through 4.5.15, 5.0.0 through 5.0.11, 5.1.0 through 5.1.8, 5.2.0 through 5.2.4, and 5.3.0 contain an information disclosure vulnerability in the core_grades_get_feedback web service. The service lacks group-membership and enrolment checks, so non-editing teachers can iterate userid values to read other groups' grade feedback and users' names and identity fields such as email."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Authorization Bypass Through User-Controlled Key", "cweId": "CWE-639", "type": "CWE"}]}], "affected": [{"vendor": "Moodle Project", "product": "moodle", "defaultStatus": "unaffected", "versions": [{"version": "5.3.0", "status": "affected", "versionType": "semver"}, {"version": "5.2.0", "lessThanOrEqual": "5.2.4", "status": "affected", "versionType": "semver"}, {"version": "5.1.0", "lessThanOrEqual": "5.1.8", "status": "affected", "versionType": "semver"}, {"version": "5.0.0", "lessThanOrEqual": "5.0.11", "status": "affected", "versionType": "semver"}, {"version": "4.2.0", "lessThanOrEqual": "4.5.15", "status": "affected", "versionType": "semver"}], "collectionURL": "https://git.moodle.org", "repo": "https://github.com/moodle/moodle", "packageName": "moodle", "packageURL": "pkg:github/moodle/moodle"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:moodle:moodle:5.3.0:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2.0", "versionEndIncluding": "5.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1.0", "versionEndIncluding": "5.1.8"}, {"vulnerable": true, "criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0.0", "versionEndIncluding": "5.0.11"}, {"vulnerable": true, "criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2.0", "versionEndIncluding": "4.5.15"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/moodle/moodle/blob/v5.3.0/public/grade/classes/external/get_feedback.php#L77-L96", "tags": ["technical-description"]}, {"url": "https://abraxaslabs.tech/research/moodle-grades-feedback-idor", "tags": ["third-party-advisory"]}, {"url": "https://github.com/moodle/moodle", "tags": ["product"]}, {"name": "VulnCheck Advisory: Moodle through 5.3.0, 5.2.4, 5.1.8, 5.0.11 and 4.5.15 Information Disclosure via core_grades_get_feedback", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/moodle-through-5.3.0-5.2.4-5.1.8-5.0.11-and-4.5.15-information-disclosure-via-core-grades-get-feedback"}], "credits": [{"lang": "en", "value": "Abraxas Labs", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://git.moodle.org", "defaultStatus": "unaffected", "packageName": "moodle", "packageURL": "pkg:github/moodle/moodle", "product": "moodle", "repo": "https://github.com/moodle/moodle", "vendor": "Moodle Project", "versions": [{"status": "affected", "version": "5.3.0", "versionType": "semver"}, {"lessThanOrEqual": "5.2.4", "status": "affected", "version": "5.2.0", "versionType": "semver"}, {"lessThanOrEqual": "5.1.8", "status": "affected", "version": "5.1.0", "versionType": "semver"}, {"lessThanOrEqual": "5.0.11", "status": "affected", "version": "5.0.0", "versionType": "semver"}, {"lessThanOrEqual": "4.5.15", "status": "affected", "version": "4.2.0", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Moodle 4.2.0 through 4.5.15, 5.0.0 through 5.0.11, 5.1.0 through 5.1.8, 5.2.0 through 5.2.4, and 5.3.0 contain an information disclosure vulnerability in the core_grades_get_feedback web service. The service lacks group-membership and enrolment checks, so non-editing teachers can iterate userid values to read other groups' grade feedback and users' names and identity fields such as email."}], "id": "CVE-2026-119555", "lastModified": "2026-10-30T19:14:38.697", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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: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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-10-30T12:16:42.577", "references": [{"source": "disclosure@vulncheck.com", "url": "https://abraxaslabs.tech/research/moodle-grades-feedback-idor"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/moodle/moodle"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/moodle/moodle/blob/v5.3.0/public/grade/classes/external/get_feedback.php#L77-L96"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/moodle-through-5.3.0-5.2.4-5.1.8-5.0.11-and-4.5.15-information-disclosure-via-core-grades-get-feedback"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "5.3.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.2.0,5.2.4]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.1.0,5.1.8]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0,5.0.11]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.2.0,4.5.15]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "moodle", "source": "cna", "vendor": "Moodle Project"}, "product": "moodle", "vendor": "moodle"}], "created": "2026-10-30T12:45:12.571876+00:00", "updated": "2026-10-30T12:45:12.992561+00:00", "vendors": ["moodle", "moodle$PRODUCT$moodle"]}