{"id":"CVE-2026-105743","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-105743","generatedAt":"2026-10-28T10:47:59.769Z","title":"From 2.91.0 until 2.132.0, validate_url_safety in docling/backend/utils/image_resource_loader.py validates a hostname with a single IPv4 lookup and then allows the HTTP client to resolve and parse the original URL again, permitting DNS rebinding, mixed…","description":"Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.91.0 until 2.132.0, validate_url_safety in docling/backend/utils/image_resource_loader.py validates a hostname with a single IPv4 lookup and then allows the HTTP client to resolve and parse the original URL again, permitting DNS rebinding, mixed public and internal address records, and backslash authority parser disagreement to reach internal services. HTMLBackendOptions(render_page=True) also allows HTTP and HTTPS browser requests without validating their resolved destination. Exploitation requires remote fetching to be enabled, and response content is exposed only when it is decoded as an image or passively rendered in a page screenshot. This issue is fixed in 2.132.0.","published":"2026-10-05T22:16:57.000Z","lastModified":"2026-10-08T03:16:35.000Z","status":"Analyzed","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":5.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N"},"cwe":["CWE-367","CWE-918"],"affected":["docling/docling"],"epss":{"score":0.00201,"percentile":0.09925,"date":"2026-10-27","history":[{"date":"2026-10-06","score":0.00189,"percentile":0.0782}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.20%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-07T20:15:13.000Z","detail":{"from":"4.0","score":"5.8","severity":"MEDIUM","fromSeverity":"MEDIUM"},"summary":"Now scored CVSS 5.8 MEDIUM (was 4.0)."},{"kind":"new","label":"New CVE","at":"2026-10-05T22:16:57.000Z","detail":{"score":"4.0","severity":"MEDIUM","publishedAt":"2026-10-05T22:16:57.030Z"},"summary":"New CVE, medium severity (CVSS 5.8)."}],"references":[{"url":"https://github.com/docling-project/docling/commit/5e469137f275ffc443306a30d12a3a45bceb80fb","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/docling-project/docling/pull/4420","tags":["Issue Tracking","Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/docling-project/docling/releases/tag/v2.132.0","tags":["Release Notes"],"source":"security-advisories@github.com"},{"url":"https://github.com/docling-project/docling/security/advisories/GHSA-pc36-qwjq-x68c","tags":["Patch","Vendor Advisory"],"source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-105743","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}