Vulnerability-Lookup

CVE-2026-86416 (GCVE-0-2026-86416)

Vulnerability from cvelistv5 – Published: 2026-09-07 12:23 – Updated: 2026-09-07 12:23

Title

ILIAS before 9.23, 10.11, and 11.4 Missing Authorization in Group Object Action Methods

Summary

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.

Severity

5.3 (Medium)


                        
                          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

5.4 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CWE

CWE-862 - Missing Authorization

Assigner

VulnCheck mitre root

References

8 references

URL	Tags
https://docu.ilias.de/ilias.php?baseClass=ilrepos…	vendor-advisory
https://docu.ilias.de/ilias.php?baseClass=ilrepos…	vendor-advisory
https://docu.ilias.de/ilias.php?baseClass=ilrepos…	vendor-advisory
https://github.com/ILIAS-eLearning/ILIAS/commit/1…	patch
https://github.com/ILIAS-eLearning/ILIAS/blob/v11…	technical-description
https://github.com/ILIAS-eLearning/ILIAS/blob/v11…	technical-description
https://github.com/ILIAS-eLearning/ILIAS	product
https://www.vulncheck.com/advisories/ilias-before…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
ILIAS-eLearning e.V.	ILIAS	Affected: 9.0 , < 9.23 (custom) Affected: 10.0 , < 10.11 (custom) Affected: 11.0 , < 11.4 (custom) cpe:2.3:a:ilias:ilias:::::::: cpe:2.3:a:ilias:ilias:::::::: cpe:2.3:a:ilias:ilias::::::::

Date Public

2026-09-03 00:00

Credits

Siyang Wu

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      "affected": [
        {
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          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/ILIAS-eLearning/ILIAS",
          "product": "ILIAS",
          "repo": "https://github.com/ILIAS-eLearning/ILIAS",
          "vendor": "ILIAS-eLearning e.V.",
          "versions": [
            {
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              "status": "affected",
              "version": "9.0",
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              "version": "10.0",
              "versionType": "custom"
            },
            {
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              "status": "affected",
              "version": "11.0",
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      "cpeApplicability": [
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              "cpeMatch": [
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                  "versionStartIncluding": "9.0",
                  "vulnerable": true
                },
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      "datePublic": "2026-09-03T00:00:00.000Z",
      "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."
        }
      ],
      "metrics": [
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          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
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            "baseScore": 5.3,
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            "privilegesRequired": "LOW",
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            "subConfidentialityImpact": "NONE",
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            "version": "4.0",
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            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW"
          },
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        {
          "cvssV3_1": {
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            "baseSeverity": "MEDIUM",
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            "integrityImpact": "LOW",
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      "providerMetadata": {
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        {
          "name": "ILIAS 11.4 Security Advisory (Mantis 0048260)",
          "tags": [
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          "url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui\u0026cmdNode=wy:ll:6t\u0026cmdClass=ilBlogPostingGUI\u0026cmd=previewFullscreen\u0026ref_id=15821\u0026blpg=942"
        },
        {
          "name": "ILIAS 10.11 Security Advisory (Mantis 0048260)",
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            "vendor-advisory"
          ],
          "url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui\u0026cmdNode=wy:ll:6t\u0026cmdClass=ilBlogPostingGUI\u0026cmd=previewFullscreen\u0026ref_id=15821\u0026blpg=940"
        },
        {
          "name": "Group: add missing permission checks in GUI (48260)",
          "tags": [
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          "url": "https://github.com/ILIAS-eLearning/ILIAS/commit/16bca712847f83440fa051cdbb15b38296357c79"
        },
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        },
        {
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          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/ILIAS-eLearning/ILIAS/blob/v11.3/components/ILIAS/Group/classes/class.ilObjGroupGUI.php#L830-L858"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/ILIAS-eLearning/ILIAS"
        },
        {
          "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"
        }
      ],
      "title": "ILIAS before 9.23, 10.11, and 11.4 Missing Authorization in Group Object Action Methods",
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-86416",
    "datePublished": "2026-09-07T12:23:54.710Z",
    "dateReserved": "2026-09-07T12:12:59.349Z",
    "dateUpdated": "2026-09-07T12:23:54.710Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-86416",
      "date": "2026-09-10",
      "epss": "0.00253",
      "percentile": "0.16806"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-86416\",\"sourceIdentifier\":\"disclosure@vulncheck.com\",\"published\":\"2026-09-07T13:20:40.233\",\"lastModified\":\"2026-09-08T20:05:53.177\",\"vulnStatus\":\"Deferred\",\"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.\"}],\"affected\":[{\"source\":\"disclosure@vulncheck.com\",\"affectedData\":[{\"vendor\":\"ILIAS-eLearning e.V.\",\"product\":\"ILIAS\",\"defaultStatus\":\"unaffected\",\"collectionURL\":\"https://github.com/ILIAS-eLearning/ILIAS\",\"repo\":\"https://github.com/ILIAS-eLearning/ILIAS\",\"packageURL\":\"pkg:github/ILIAS-eLearning/ILIAS\",\"versions\":[{\"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\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"disclosure@vulncheck.com\",\"type\":\"Secondary\",\"cvssData\":{\"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/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\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"LOW\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"disclosure@vulncheck.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L\",\"baseScore\":5.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.8,\"impactScore\":2.5}]},\"weaknesses\":[{\"source\":\"disclosure@vulncheck.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-862\"}]}],\"references\":[{\"url\":\"https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui\u0026cmdNode=wy:ll:6t\u0026cmdClass=ilBlogPostingGUI\u0026cmd=previewFullscreen\u0026ref_id=15821\u0026blpg=940\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui\u0026cmdNode=wy:ll:6t\u0026cmdClass=ilBlogPostingGUI\u0026cmd=previewFullscreen\u0026ref_id=15821\u0026blpg=941\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui\u0026cmdNode=wy:ll:6t\u0026cmdClass=ilBlogPostingGUI\u0026cmd=previewFullscreen\u0026ref_id=15821\u0026blpg=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\",\"source\":\"disclosure@vulncheck.com\"}]}}"
  }
}

FKIE_CVE-2026-86416

Vulnerability from fkie_nvd - Published: 2026-09-07 13:20 - Updated: 2026-09-08 20:05

Severity

5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Summary

References

	URL	Tags
	disclosure@vulncheck.com	https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=940
	disclosure@vulncheck.com	https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=941
	disclosure@vulncheck.com	https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=942
	disclosure@vulncheck.com	https://github.com/ILIAS-eLearning/ILIAS
	disclosure@vulncheck.com	https://github.com/ILIAS-eLearning/ILIAS/blob/v11.3/components/ILIAS/Group/classes/class.ilObjGroupGUI.php#L560-L569
	disclosure@vulncheck.com	https://github.com/ILIAS-eLearning/ILIAS/blob/v11.3/components/ILIAS/Group/classes/class.ilObjGroupGUI.php#L830-L858
	disclosure@vulncheck.com	https://github.com/ILIAS-eLearning/ILIAS/commit/16bca712847f83440fa051cdbb15b38296357c79
	disclosure@vulncheck.com	https://www.vulncheck.com/advisories/ilias-before-9.23-10.11-and-11.4-missing-authorization-in-group-object-action-methods

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "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": "2026-09-08T20:05:53.177",
  "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": "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: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"
      }
    ]
  },
  "published": "2026-09-07T13:20:40.233",
  "references": [
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui\u0026cmdNode=wy:ll:6t\u0026cmdClass=ilBlogPostingGUI\u0026cmd=previewFullscreen\u0026ref_id=15821\u0026blpg=940"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui\u0026cmdNode=wy:ll:6t\u0026cmdClass=ilBlogPostingGUI\u0026cmd=previewFullscreen\u0026ref_id=15821\u0026blpg=941"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui\u0026cmdNode=wy:ll:6t\u0026cmdClass=ilBlogPostingGUI\u0026cmd=previewFullscreen\u0026ref_id=15821\u0026blpg=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": "Primary"
    }
  ]
}

GHSA-4976-QG89-R3VV

Vulnerability from github – Published: 2026-09-07 15:33 – Updated: 2026-09-07 15:33

Details

Severity

5.4 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

5.3 (Medium)


                  
                    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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-86416"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-07T13:20:40Z",
    "severity": "MODERATE"
  },
  "details": "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": "GHSA-4976-qg89-r3vv",
  "modified": "2026-09-07T15:33:52Z",
  "published": "2026-09-07T15:33:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-86416"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ILIAS-eLearning/ILIAS/commit/16bca712847f83440fa051cdbb15b38296357c79"
    },
    {
      "type": "WEB",
      "url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui\u0026cmdNode=wy:ll:6t\u0026cmdClass=ilBlogPostingGUI\u0026cmd=previewFullscreen\u0026ref_id=15821\u0026blpg=940"
    },
    {
      "type": "WEB",
      "url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui\u0026cmdNode=wy:ll:6t\u0026cmdClass=ilBlogPostingGUI\u0026cmd=previewFullscreen\u0026ref_id=15821\u0026blpg=941"
    },
    {
      "type": "WEB",
      "url": "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui\u0026cmdNode=wy:ll:6t\u0026cmdClass=ilBlogPostingGUI\u0026cmd=previewFullscreen\u0026ref_id=15821\u0026blpg=942"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ILIAS-eLearning/ILIAS"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ILIAS-eLearning/ILIAS/blob/v11.3/components/ILIAS/Group/classes/class.ilObjGroupGUI.php#L560-L569"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ILIAS-eLearning/ILIAS/blob/v11.3/components/ILIAS/Group/classes/class.ilObjGroupGUI.php#L830-L858"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/ilias-before-9.23-10.11-and-11.4-missing-authorization-in-group-object-action-methods"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ]
}

WID-SEC-W-2026-3179

Vulnerability from csaf_certbund - Published: 2026-09-03 22:00 - Updated: 2026-09-07 22:00

Summary

ILIAS: Mehrere Schwachstellen

Severity

Mittel

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung: ILIAS ist eine Open Source e-Learning Lösung.

Angriff: Ein entfernter Angreifer kann mehrere Schwachstellen in ILIAS ausnutzen, um Informationen offenzulegen, Daten zu manipulieren und um Sicherheitsmechanismen zu umgehen.

Betroffene Betriebssysteme: - Linux - Sonstiges - UNIX - Windows

CVE-2026-86416

Affected products

Known affected 4 products

Product	Identifier	Version	Remediation
Open Source ILIAS <12.0 Alpha Open Source / ILIAS		<12.0 Alpha
Open Source ILIAS <11.4 Open Source / ILIAS		<11.4
Open Source ILIAS <9.23 Open Source / ILIAS		<9.23
Open Source ILIAS <10.11 Open Source / ILIAS		<10.11

Vulnerability 2

Affected products

Known affected 4 products

Product	Identifier	Version	Remediation
Open Source ILIAS <12.0 Alpha Open Source / ILIAS		<12.0 Alpha
Open Source ILIAS <11.4 Open Source / ILIAS		<11.4
Open Source ILIAS <9.23 Open Source / ILIAS		<9.23
Open Source ILIAS <10.11 Open Source / ILIAS		<10.11

References

5 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://docu.ilias.de/go/blog/15821/940	external
https://docu.ilias.de/go/blog/15821/941	external
https://docu.ilias.de/go/blog/15821/942	external

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "ILIAS ist eine Open Source e-Learning L\u00f6sung.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter Angreifer kann mehrere Schwachstellen in ILIAS ausnutzen, um Informationen offenzulegen, Daten zu manipulieren und um Sicherheitsmechanismen zu umgehen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- Sonstiges\n- UNIX\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-3179 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3179.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-3179 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3179"
      },
      {
        "category": "external",
        "summary": "ILIAS Document vom 2026-09-03",
        "url": "https://docu.ilias.de/go/blog/15821/940"
      },
      {
        "category": "external",
        "summary": "ILIAS Document vom 2026-09-03",
        "url": "https://docu.ilias.de/go/blog/15821/941"
      },
      {
        "category": "external",
        "summary": "ILIAS Document vom 2026-09-03",
        "url": "https://docu.ilias.de/go/blog/15821/942"
      }
    ],
    "source_lang": "en-US",
    "title": "ILIAS: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-09-07T22:00:00.000+00:00",
      "generator": {
        "date": "2026-09-08T06:19:20.038+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-3179",
      "initial_release_date": "2026-09-03T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-09-03T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-09-07T22:00:00.000+00:00",
          "number": "2",
          "summary": "Referenzen erg\u00e4nzt"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c9.23",
                "product": {
                  "name": "Open Source ILIAS \u003c9.23",
                  "product_id": "T059038"
                }
              },
              {
                "category": "product_version",
                "name": "9.23",
                "product": {
                  "name": "Open Source ILIAS 9.23",
                  "product_id": "T059038-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ilias:ilias:9.23"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c10.11",
                "product": {
                  "name": "Open Source ILIAS \u003c10.11",
                  "product_id": "T059039"
                }
              },
              {
                "category": "product_version",
                "name": "10.11",
                "product": {
                  "name": "Open Source ILIAS 10.11",
                  "product_id": "T059039-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ilias:ilias:10.11"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c11.4",
                "product": {
                  "name": "Open Source ILIAS \u003c11.4",
                  "product_id": "T059040"
                }
              },
              {
                "category": "product_version",
                "name": "11.4",
                "product": {
                  "name": "Open Source ILIAS 11.4",
                  "product_id": "T059040-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ilias:ilias:11.4"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c12.0 Alpha",
                "product": {
                  "name": "Open Source ILIAS \u003c12.0 Alpha",
                  "product_id": "T059041"
                }
              },
              {
                "category": "product_version",
                "name": "12.0 Alpha",
                "product": {
                  "name": "Open Source ILIAS 12.0 Alpha",
                  "product_id": "T059041-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ilias:ilias:12.0_alpha"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "ILIAS"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-86416",
      "product_status": {
        "known_affected": [
          "T059041",
          "T059040",
          "T059038",
          "T059039"
        ]
      },
      "release_date": "2026-09-03T22:00:00.000+00:00",
      "title": "CVE-2026-86416"
    },
    {
      "product_status": {
        "known_affected": [
          "T059041",
          "T059040",
          "T059038",
          "T059039"
        ]
      },
      "release_date": "2026-09-03T22:00:00.000+00:00"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-86416 (GCVE-0-2026-86416)

FKIE_CVE-2026-86416

GHSA-4976-QG89-R3VV

WID-SEC-W-2026-3179

Tags

Sightings

Nomenclature