{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86416", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-07T12:12:59.349Z", "datePublished": "2026-09-07T12:23:54.710Z", "dateUpdated": "2026-09-18T17:23:10.220Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-07T12:23:54.710Z"}, "datePublic": "2026-09-03T00:00:00.000Z", "title": "ILIAS before 9.23, 10.11, and 11.4 Missing Authorization in Group Object Action Methods", "descriptions": [{"lang": "en", "value": "ILIAS versions before 9.23, 10.11, and 11.4 contain an authorization bypass vulnerability in ilObjGroupGUI where saveMapSettingsObject() and updateGroupTypeObject() perform state-changing operations without write permission checks. Authenticated users with only read access to a group can craft POST requests to modify group map settings and didactic template assignments, changing group modes and permissions for all members."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Missing Authorization", "cweId": "CWE-862", "type": "CWE"}]}], "affected": [{"vendor": "ILIAS-eLearning e.V.", "product": "ILIAS", "collectionURL": "https://github.com/ILIAS-eLearning/ILIAS", "packageURL": "pkg:github/ILIAS-eLearning/ILIAS", "repo": "https://github.com/ILIAS-eLearning/ILIAS", "defaultStatus": "unaffected", "versions": [{"version": "9.0", "lessThan": "9.23", "status": "affected", "versionType": "custom"}, {"version": "10.0", "lessThan": "10.11", "status": "affected", "versionType": "custom"}, {"version": "11.0", "lessThan": "11.4", "status": "affected", "versionType": "custom"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ilias:ilias:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.0", "versionEndExcluding": "9.23"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ilias:ilias:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0", "versionEndExcluding": "10.11"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ilias:ilias:*:*:*:*:*:*:*:*", "versionStartIncluding": "11.0", "versionEndExcluding": "11.4"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "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:N/I:L/A:L", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "LOW", "baseScore": 5.4, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=942", "tags": ["vendor-advisory"], "name": "ILIAS 11.4 Security Advisory (Mantis 0048260)"}, {"url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=941", "tags": ["vendor-advisory"], "name": "ILIAS 10.11 Security Advisory (Mantis 0048260)"}, {"url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=940", "tags": ["vendor-advisory"], "name": "ILIAS 9.23 Security Advisory (Mantis 0048260)"}, {"url": "https://github.com/ILIAS-eLearning/ILIAS/commit/16bca712847f83440fa051cdbb15b38296357c79", "tags": ["patch"], "name": "Group: add missing permission checks in GUI (48260)"}, {"url": "https://github.com/ILIAS-eLearning/ILIAS/blob/v11.3/components/ILIAS/Group/classes/class.ilObjGroupGUI.php#L560-L569", "tags": ["technical-description"], "name": "ilObjGroupGUI::updateGroupTypeObject() at v11.3"}, {"url": "https://github.com/ILIAS-eLearning/ILIAS/blob/v11.3/components/ILIAS/Group/classes/class.ilObjGroupGUI.php#L830-L858", "tags": ["technical-description"], "name": "ilObjGroupGUI::saveMapSettingsObject() at v11.3"}, {"url": "https://github.com/ILIAS-eLearning/ILIAS", "tags": ["product"]}, {"name": "VulnCheck Advisory: ILIAS before 9.23, 10.11, and 11.4 Missing Authorization in Group Object Action Methods", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/ilias-before-9.23-10.11-and-11.4-missing-authorization-in-group-object-action-methods"}], "credits": [{"lang": "en", "value": "Siyang Wu", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-86416", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-18T17:08:48.596258Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-18T17:23:10.220Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-86416", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-18T17:08:48.596258Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-18T17:18:00.793Z"}}], "cna": {"title": "ILIAS before 9.23, 10.11, and 11.4 Missing Authorization in Group Object Action Methods", "credits": [{"lang": "en", "type": "finder", "value": "Siyang Wu"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "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", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}], "affected": [{"repo": "https://github.com/ILIAS-eLearning/ILIAS", "vendor": "ILIAS-eLearning e.V.", "product": "ILIAS", "versions": [{"status": "affected", "version": "9.0", "lessThan": "9.23", "versionType": "custom"}, {"status": "affected", "version": "10.0", "lessThan": "10.11", "versionType": "custom"}, {"status": "affected", "version": "11.0", "lessThan": "11.4", "versionType": "custom"}], "packageURL": "pkg:github/ILIAS-eLearning/ILIAS", "collectionURL": "https://github.com/ILIAS-eLearning/ILIAS", "defaultStatus": "unaffected"}], "datePublic": "2026-09-03T00:00:00.000Z", "references": [{"url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=942", "name": "ILIAS 11.4 Security Advisory (Mantis 0048260)", "tags": ["vendor-advisory"]}, {"url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=941", "name": "ILIAS 10.11 Security Advisory (Mantis 0048260)", "tags": ["vendor-advisory"]}, {"url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=940", "name": "ILIAS 9.23 Security Advisory (Mantis 0048260)", "tags": ["vendor-advisory"]}, {"url": "https://github.com/ILIAS-eLearning/ILIAS/commit/16bca712847f83440fa051cdbb15b38296357c79", "name": "Group: add missing permission checks in GUI (48260)", "tags": ["patch"]}, {"url": "https://github.com/ILIAS-eLearning/ILIAS/blob/v11.3/components/ILIAS/Group/classes/class.ilObjGroupGUI.php#L560-L569", "name": "ilObjGroupGUI::updateGroupTypeObject() at v11.3", "tags": ["technical-description"]}, {"url": "https://github.com/ILIAS-eLearning/ILIAS/blob/v11.3/components/ILIAS/Group/classes/class.ilObjGroupGUI.php#L830-L858", "name": "ilObjGroupGUI::saveMapSettingsObject() at v11.3", "tags": ["technical-description"]}, {"url": "https://github.com/ILIAS-eLearning/ILIAS", "tags": ["product"]}, {"url": "https://www.vulncheck.com/advisories/ilias-before-9.23-10.11-and-11.4-missing-authorization-in-group-object-action-methods", "name": "VulnCheck Advisory: ILIAS before 9.23, 10.11, and 11.4 Missing Authorization in Group Object Action Methods", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "vulncheck-endgame"}, "descriptions": [{"lang": "en", "value": "ILIAS versions before 9.23, 10.11, and 11.4 contain an authorization bypass vulnerability in ilObjGroupGUI where saveMapSettingsObject() and updateGroupTypeObject() perform state-changing operations without write permission checks. Authenticated users with only read access to a group can craft POST requests to modify group map settings and didactic template assignments, changing group modes and permissions for all members."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-862", "description": "Missing Authorization"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ilias:ilias:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "9.23", "versionStartIncluding": "9.0"}, {"criteria": "cpe:2.3:a:ilias:ilias:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "10.11", "versionStartIncluding": "10.0"}, {"criteria": "cpe:2.3:a:ilias:ilias:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "11.4", "versionStartIncluding": "11.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-07T12:23:54.710Z"}}}, "cveMetadata": {"cveId": "CVE-2026-86416", "state": "PUBLISHED", "dateUpdated": "2026-09-18T17:23:10.220Z", "dateReserved": "2026-09-07T12:12:59.349Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-09-07T12:23:54.710Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://github.com/ILIAS-eLearning/ILIAS", "defaultStatus": "unaffected", "packageURL": "pkg:github/ILIAS-eLearning/ILIAS", "product": "ILIAS", "repo": "https://github.com/ILIAS-eLearning/ILIAS", "vendor": "ILIAS-eLearning e.V.", "versions": [{"lessThan": "9.23", "status": "affected", "version": "9.0", "versionType": "custom"}, {"lessThan": "10.11", "status": "affected", "version": "10.0", "versionType": "custom"}, {"lessThan": "11.4", "status": "affected", "version": "11.0", "versionType": "custom"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ILIAS versions before 9.23, 10.11, and 11.4 contain an authorization bypass vulnerability in ilObjGroupGUI where saveMapSettingsObject() and updateGroupTypeObject() perform state-changing operations without write permission checks. Authenticated users with only read access to a group can craft POST requests to modify group map settings and didactic template assignments, changing group modes and permissions for all members."}], "id": "CVE-2026-86416", "lastModified": "2026-09-18T18:17:18.920", "metrics": {"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": "disclosure@vulncheck.com", "type": "Secondary"}], "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:N/VI:L/VA:L/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": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-86416", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-18T17:08:48.596258Z", "version": "2.0.3"}}]}, "published": "2026-09-07T13:20:40.233", "references": [{"source": "disclosure@vulncheck.com", "url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=940"}, {"source": "disclosure@vulncheck.com", "url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=941"}, {"source": "disclosure@vulncheck.com", "url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=942"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/ILIAS-eLearning/ILIAS"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/ILIAS-eLearning/ILIAS/blob/v11.3/components/ILIAS/Group/classes/class.ilObjGroupGUI.php#L560-L569"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/ILIAS-eLearning/ILIAS/blob/v11.3/components/ILIAS/Group/classes/class.ilObjGroupGUI.php#L830-L858"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/ILIAS-eLearning/ILIAS/commit/16bca712847f83440fa051cdbb15b38296357c79"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/ilias-before-9.23-10.11-and-11.4-missing-authorization-in-group-object-action-methods"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.0,9.23)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[10.0,10.11)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[11.0,11.4)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "ILIAS", "source": "cna", "vendor": "ILIAS-eLearning e.V."}, "product": "ilias", "vendor": "ilias"}], "created": "2026-09-07T14:30:17.762623+00:00", "updated": "2026-09-07T14:45:16.926294+00:00", "vendors": ["ilias", "ilias$PRODUCT$ilias"]}