CVE-2026-105742 (GCVE-0-2026-105742)

Vulnerability from cvelistv5 – Published: 2026-10-05 21:21 – Updated: 2026-10-05 21:21
VLAI
Title
Docling: Configured HTTP headers sent to every remote image host named by a document
Summary
Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.95.0 until 2.132.0, the HTML image resource loader in docling/backend/utils/image_resource_loader.py forwards headers configured through the HTMLBackendOptions.headers setting to every remote image URL named by an untrusted document when enable_remote_fetch=True and fetch_images=True. The loader does not restrict those credentials to the source document's origin, allowing requests that carry custom headers such as API keys and cookies to follow cross-origin redirects and expose the caller's configured credentials to a document author. The default configuration is not affected because remote fetching and configured headers are required. This issue is fixed in 2.132.0.
Severity
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-201 - Insertion of Sensitive Information Into Sent Data
  • CWE-522 - Insufficiently Protected Credentials
Assigner
References
Impacted products
Vendor Product Version CPE status
docling-project docling Affected: >= 2.95.0, < 2.132.0
guessed Create a notification for this product.
docling-project docling-slim Affected: >= 2.95.0, < 2.132.0
guessed Create a notification for this product.
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{
  "containers": {
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          "vendor": "docling-project",
          "versions": [
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              "version": "\u003e= 2.95.0, \u003c 2.132.0"
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        },
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            }
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          "value": "Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.95.0 until 2.132.0, the HTML image resource loader in docling/backend/utils/image_resource_loader.py forwards headers configured through the HTMLBackendOptions.headers setting to every remote image URL named by an untrusted document when enable_remote_fetch=True and fetch_images=True. The loader does not restrict those credentials to the source document\u0027s origin, allowing requests that carry custom headers such as API keys and cookies to follow cross-origin redirects and expose the caller\u0027s configured credentials to a document author. The default configuration is not affected because remote fetching and configured headers are required. This issue is fixed in 2.132.0."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
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              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
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              "cweId": "CWE-522",
              "description": "CWE-522: Insufficiently Protected Credentials",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-05T21:21:43.538Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
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          "name": "https://github.com/docling-project/docling/security/advisories/GHSA-p3fw-7699-7926",
          "tags": [
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          ],
          "url": "https://github.com/docling-project/docling/security/advisories/GHSA-p3fw-7699-7926"
        },
        {
          "name": "https://github.com/docling-project/docling/pull/4420",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/docling-project/docling/pull/4420"
        },
        {
          "name": "https://github.com/docling-project/docling/commit/5e469137f275ffc443306a30d12a3a45bceb80fb",
          "tags": [
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          ],
          "url": "https://github.com/docling-project/docling/commit/5e469137f275ffc443306a30d12a3a45bceb80fb"
        },
        {
          "name": "https://github.com/docling-project/docling/releases/tag/v2.132.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/docling-project/docling/releases/tag/v2.132.0"
        }
      ],
      "source": {
        "advisory": "GHSA-p3fw-7699-7926",
        "discovery": "UNKNOWN"
      },
      "title": "Docling: Configured HTTP headers sent to every remote image host named by a document"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-105742",
    "datePublished": "2026-10-05T21:21:43.538Z",
    "dateReserved": "2026-10-05T19:11:07.946Z",
    "dateUpdated": "2026-10-05T21:21:43.538Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": {
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        "affected": [
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              {
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                "vendor": "docling-project",
                "versions": [
                  {
                    "status": "affected",
                    "version": "\u003e= 2.95.0, \u003c 2.132.0"
                  }
                ]
              },
              {
                "product": "docling-slim",
                "vendor": "docling-project",
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                  {
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                    "version": "\u003e= 2.95.0, \u003c 2.132.0"
                  }
                ]
              }
            ],
            "source": "security-advisories@github.com"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.95.0 until 2.132.0, the HTML image resource loader in docling/backend/utils/image_resource_loader.py forwards headers configured through the HTMLBackendOptions.headers setting to every remote image URL named by an untrusted document when enable_remote_fetch=True and fetch_images=True. The loader does not restrict those credentials to the source document\u0027s origin, allowing requests that carry custom headers such as API keys and cookies to follow cross-origin redirects and expose the caller\u0027s configured credentials to a document author. The default configuration is not affected because remote fetching and configured headers are required. This issue is fixed in 2.132.0."
          }
        ],
        "id": "CVE-2026-105742",
        "lastModified": "2026-10-05T22:16:56.867",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 3.7,
                "baseSeverity": "LOW",
                "confidentialityImpact": "LOW",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 1.4,
              "source": "security-advisories@github.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2026-10-05T22:16:56.867",
        "references": [
          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/docling-project/docling/commit/5e469137f275ffc443306a30d12a3a45bceb80fb"
          },
          {
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            "url": "https://github.com/docling-project/docling/pull/4420"
          },
          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/docling-project/docling/releases/tag/v2.132.0"
          },
          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/docling-project/docling/security/advisories/GHSA-p3fw-7699-7926"
          }
        ],
        "sourceIdentifier": "security-advisories@github.com",
        "vulnStatus": "Received",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-201"
              },
              {
                "lang": "en",
                "value": "CWE-522"
              }
            ],
            "source": "security-advisories@github.com",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-10-06T00:12:44+00:00",
      "cve": "CVE-2026-105742",
      "id": "CVE-2026-105742",
      "initial_release_date": "2026-10-05T21:21:43.538000+00:00",
      "product_status:known_affected": "7",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "docling: docling: Information disclosure via cross-origin header leakage during remote image fetching",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-105742.json",
      "version": "3"
    }
  }
}



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