ILIAS Arbitrary File Read via SOAP addFile

{
  "id": "201a4aa763e164cc3a8a1de4bb310210c98b95b935b582af2f98c894b466b4a7",
  "url": "https://osv.dev/vulnerability/CVE-2026-82877",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ILIAS Arbitrary File Read via SOAP addFile",
    "summary": "ILIAS before versions 9.22, 10.10, and 11.3 contains an arbitrary file read vulnerability in the SOAP addFile method that allows authenticated users to read server files by supplying crafted XML with COPY-mode imports. Attackers can construct absolute file paths through an unsandboxed import directory and retrieve sensitive files including configuration files containing database credentials and setup passwords.",
    "evidence": "osv:CVE-2026-82877",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-82877",
      "aliases": [
        "CVE-2026-82877"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ilias-elearning/ilias",
              "type": "GIT",
              "events": [
                {
                  "introduced": "fde780b71853eddee7c2efc409b2f82335475cb7"
                },
                {
                  "fixed": "f79be012b4beb33e24992d9c755a2c814bc9edcb"
                },
                {
                  "introduced": "cf8158610d18ee0277ee743de16b79d09bcf7af6"
                },
                {
                  "fixed": "366c9b8492299d96f50a6e83c06daeb45d126dec"
                },
                {
                  "introduced": "2151d66e5092fc346bf0bacb49ab7edb468596b3"
                },
                {
                  "fixed": "9a7c60f915ed166b823dbd43dee74da8494567de"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "9.0"
                      },
                      {
                        "fixed": "9.22"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "10.0"
                      },
                      {
                        "fixed": "10.10"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "11.0"
                      },
                      {
                        "fixed": "11.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v9.21",
            "v11.2",
            "v10.9",
            "v9.20",
            "v11.1",
            "v10.8",
            "v11.0",
            "v9.19",
            "v10.7",
            "v9.18",
            "v10.6",
            "v3.8",
            "v9.17",
            "v10.5",
            "v10.4",
            "v9.16",
            "v10.3",
            "v9.15",
            "v10.2",
            "v9.13",
            "v10.0",
            "v9.12",
            "v9.10",
            "v9.8",
            "v9.7",
            "v9.6",
            "v9.5",
            "v9.4",
            "v9.3",
            "v9.1",
            "v9.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-82877.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.289239955Z",
      "provider": "osv",
      "references": [
        "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=934",
        "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=935",
        "https://docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=936",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82877.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-82877",
        "https://www.vulncheck.com/advisories/ilias-arbitrary-file-read-via-soap-addfile",
        "https://docu.ilias.de/ilias.php?baseClass=illmpresentationgui&obj_id=225630&ref_id=35",
        "https://docu.ilias.de/ilias.php?baseClass=illmpresentationgui&obj_id=225631&ref_id=35",
        "https://docu.ilias.de/ilias.php?baseClass=illmpresentationgui&obj_id=225632&ref_id=35",
        "https://github.com/ILIAS-eLearning/ILIAS",
        "https://schweigertit.de/en/advisories/SIT-2026-003.html"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-22"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82877.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-82877",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517529,
  "published_at": "2026-08-31T10:51:03.778+00:00"
}