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Medium

CAI Content Credentials | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22)

Type: advisorySources: OSV

CAI Content Credential is affected by an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could result in an arbitrary file system write. An attacker could leverage this vulnerability to write to unauthorized files or directories outside of intended restrictions. Exploitation of this issue requires user interaction in that a victim must extract a maliciously crafted file.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-103820
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 11:13 UTC · Revision 1

Source evidence

CAI Content Credentials | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22)

core-osv · Original source

Published 13 Oct 2026, 21:27 UTC

CAI Content Credential is affected by an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could result in an arbitrary file system write. An attacker could leverage this vulnerability to write to unauthorized files or directories outside of intended restrictions. Exploitation of this issue requires user interaction in that a victim must extract a maliciously crafted file.

osv:CVE-2026-103820
Complete source record
{
  "id": "431fdeeb981710c2b5cf6fb19fd65600503fc84492dae55dd75ccf6fccad1694",
  "url": "https://osv.dev/vulnerability/CVE-2026-103820",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CAI Content Credentials | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22)",
    "summary": "CAI Content Credential is affected by an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could result in an arbitrary file system write. An attacker could leverage this vulnerability to write to unauthorized files or directories outside of intended restrictions. Exploitation of this issue requires user interaction in that a victim must extract a maliciously crafted file.",
    "evidence": "osv:CVE-2026-103820",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-103820",
      "aliases": [
        "CVE-2026-103820"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
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              "type": "GIT",
              "events": [
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                },
                {
                  "fixed": "8113afd9aaa55657a9065ec72f6f5c79bbd8a43c"
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              ],
              "database_specific": {
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                  {
                    "cpe": "cpe:2.3:a:adobe:c2patool:*:*:*:*:*:*:*:*",
                    "range": [
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-103820.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/contentauth/c2patool",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4b479f6c681653ce5c48f24b03eb11d9394b26bc"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:adobe:c2patool:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.28.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.28.0",
            "v0.27.20",
            "v0.27.19",
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-103820.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:27.993607790Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103820.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-103820",
        "https://www.adobe.com/trust/security/products/content-credentials-sdk/apsb26-163.html"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-22"
        ],
        "cna_assigner": "adobe",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "c2pa-v0.90.15"
                  },
                  {
                    "last_affected": "c2patool-v0.27.15"
                  },
                  {
                    "last_affected": "@contentauth/c2pa-web@0.13.4"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103820.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-103820",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 494847,
  "published_at": "2026-10-13T21:27:20.813+00:00"
}