{"id":"EUVD-2026-6211","enisaUuid":"0c00513a-3789-307f-b914-f7f6def25b00","description":"LangChain is a framework for building LLM-powered applications. Prior to 1.1.14, the RecursiveUrlLoader class in @langchain/community is a web crawler that recursively follows links from a starting URL. Its preventOutside option (enabled by default) is intended to restrict crawling to the same site as the base URL. The implementation used String.startsWith() to compare URLs, which does not perform semantic URL validation. An attacker who controls content on a crawled page could include links to domains that share a string prefix with the target, causing the crawler to follow links to attacker-controlled or internal infrastructure. Additionally, the crawler performed no validation against private or reserved IP addresses. A crawled page could include links targeting cloud metadata services, localhost, or RFC 1918 addresses, and the crawler would fetch them without restriction. This vulnerability is fixed in 1.1.14.","datePublished":"Feb 11, 2026, 9:11:10 PM","dateUpdated":"Feb 12, 2026, 9:14:41 PM","baseScore":4.1,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N","references":"https://github.com/langchain-ai/langchainjs/security/advisories/GHSA-gf3v-fwqg-4vh7\nhttps://github.com/langchain-ai/langchainjs/pull/9990\nhttps://github.com/langchain-ai/langchainjs/commit/d5e3db0d01ab321ec70a875805b2f74aefdadf9d\nhttps://github.com/langchain-ai/langchainjs/releases/tag/%40langchain%2Fcommunity%401.1.14\n","aliases":"CVE-2026-26019\nGHSA-gf3v-fwqg-4vh7\n","assigner":"GitHub_M","epss":0.39,"enisaIdProduct":[{"id":"d137591d-ca4f-3c0f-bf0c-2863efc181a5","product":{"name":"langchainjs","vendor":{"name":"langchain-ai"}},"product_version":"\u003c 1.1.14"}],"enisaIdVendor":[{"id":"44a47182-b778-32bf-8903-7fea385c8646","vendor":{"name":"langchain-ai"}}],"enisaIdVulnerability":[{"id":"74ed7fa1-79ed-3b89-9e9c-5921f859e93a","vulnerability":{"id":"GHSA-gf3v-fwqg-4vh7","description":"@langchain/community affected by SSRF Bypass in RecursiveUrlLoader via insufficient URL origin validation","datePublished":"Feb 11, 2026, 3:13:20 PM","dateUpdated":"Feb 12, 2026, 2:19:06 PM","baseScore":0.0,"references":"https://github.com/langchain-ai/langchainjs/security/advisories/GHSA-gf3v-fwqg-4vh7\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-26019\nhttps://github.com/langchain-ai/langchainjs/pull/9990\nhttps://github.com/langchain-ai/langchainjs/commit/d5e3db0d01ab321ec70a875805b2f74aefdadf9d\nhttps://github.com/langchain-ai/langchainjs\nhttps://github.com/langchain-ai/langchainjs/releases/tag/%40langchain%2Fcommunity%401.1.14\n","enisa_id":"EUVD-2026-6211\n","aliases":"CVE-2026-26019\nGHSA-gf3v-fwqg-4vh7\n","epss":0.0,"dataProcessed":"Nov 9, 2026, 3:45:46 PM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"be709761-2afa-3d11-b681-3e68b6778623","vulnerability":{"id":"CVE-2026-26019","description":"LangChain is a framework for building LLM-powered applications. Prior to 1.1.14, the RecursiveUrlLoader class in @langchain/community is a web crawler that recursively follows links from a starting URL. Its preventOutside option (enabled by default) is intended to restrict crawling to the same site as the base URL. The implementation used String.startsWith() to compare URLs, which does not perform semantic URL validation. An attacker who controls content on a crawled page could include links to domains that share a string prefix with the target, causing the crawler to follow links to attacker-controlled or internal infrastructure. Additionally, the crawler performed no validation against private or reserved IP addresses. A crawled page could include links targeting cloud metadata services, localhost, or RFC 1918 addresses, and the crawler would fetch them without restriction. This vulnerability is fixed in 1.1.14.","datePublished":"Feb 11, 2026, 9:11:10 PM","dateUpdated":"Feb 12, 2026, 9:14:41 PM","status":"PUBLISHED","baseScore":4.1,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N","references":"https://github.com/langchain-ai/langchainjs/security/advisories/GHSA-gf3v-fwqg-4vh7\nhttps://github.com/langchain-ai/langchainjs/pull/9990\nhttps://github.com/langchain-ai/langchainjs/commit/d5e3db0d01ab321ec70a875805b2f74aefdadf9d\nhttps://github.com/langchain-ai/langchainjs/releases/tag/%40langchain%2Fcommunity%401.1.14\n","enisa_id":"EUVD-2026-6211\n","assigner":"GitHub_M","epss":0.39,"dataProcessed":"Nov 13, 2026, 7:24:16 AM","vulnerabilityProduct":[{"id":"cd5d608a-13fc-34ab-8897-009623123b4b","product":{"name":"langchainjs","vendor":{"name":"langchain-ai"}},"product_version":"\u003c 1.1.14"}],"vulnerabilityVendor":[{"id":"855ba868-f761-3a34-8ba2-8027dad9f041","vendor":{"name":"langchain-ai"}}]}}],"enisaIdAdvisory":[{"id":"6961876f-97ee-385a-bcd9-32c512038472","advisory":{"id":"WID-SEC-W-2026-0393","description":"LangChain: Mehrere Schwachstellen","summary":"Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in LangChain ausnutzen,um eine Server-Side-Request-Forgery (SSRF) durchzuführen, was die Offenlegung von Informationen und einen begrenzten Denial-of-Service-Zustand ermöglicht.","datePublished":"Feb 11, 2026, 11:00:00 PM","dateUpdated":"Feb 11, 2026, 11:00:00 PM","baseScore":0.0,"references":"https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0393.json\nhttps://wid.cert-bund.de/portal/wid/securityadvisory?name\u003dWID-SEC-2026-0393\n","aliases":"CVE-2026-26013\nCVE-2026-26019\n","source":{"id":8,"name":"csaf_certbund"},"advisoryProduct":[{"id":"166a64d0-15b6-3e17-81a5-25b66d1969ec","product":{"name":"1.1.14","vendor":{"name":"open source"}}},{"id":"c5ff63f1-baa4-3797-8e15-1f98c67efa4b","product":{"name":"langchain","vendor":{"name":"langchain-ai"}}},{"id":"f3ada169-abc7-3a46-82b6-e681a9cbb188","product":{"name":"1.2.11","vendor":{"name":"open source"}}}]}},{"id":"75841d5c-d08f-3e21-a90b-5c87f765eb4d","advisory":{"id":"WID-SEC-W-2026-3046","description":"IBM Concert: Mehrere Schwachstellen","summary":"Ein Angreifer kann mehrere Schwachstellen in IBM Concert ausnutzen, um beliebigen Programmcode auszuführen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, um Dateien zu manipulieren, um einen Cross-Site Scripting Angriff durchzuführen, um einen SQL-Injection Angriff durchzuführen und um Sicherheitsvorkehrungen zu umgehen.","datePublished":"Aug 26, 2026, 10:00:00 PM","dateUpdated":"Oct 25, 2026, 11:00:00 PM","baseScore":0.0,"references":"https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3046.json\nhttps://wid.cert-bund.de/portal/wid/securityadvisory?name\u003dWID-SEC-2026-3046\n","aliases":"CVE-2019-19921\nCVE-2021-23337\nCVE-2024-3651\nCVE-2024-39338\nCVE-2024-45590\nCVE-2025-13465\nCVE-2025-15284\nCVE-2025-15599\nCVE-2025-22874\nCVE-2025-47273\nCVE-2025-47907\nCVE-2025-52881\nCVE-2025-53643\nCVE-2025-55184\nCVE-2025-58056\nCVE-2025-58188\nCVE-2025-58189\nCVE-2025-61723\nCVE-2025-61730\nCVE-2025-64649\nCVE-2025-64756\nCVE-2025-67221\nCVE-2025-68121\nCVE-2025-68146\nCVE-2026-0540\nCVE-2026-2327\nCVE-2026-23490\nCVE-2026-23897\nCVE-2026-2391\nCVE-2026-23949\nCVE-2026-24486\nCVE-2026-25528\nCVE-2026-25547\nCVE-2026-25639\nCVE-2026-25990\nCVE-2026-26007\nCVE-2026-26019\nCVE-2026-26996\nCVE-2026-27142\nCVE-2026-27212\nCVE-2026-27699\nCVE-2026-27903\nCVE-2026-27904\nCVE-2026-28684\nCVE-2026-29063\nCVE-2026-29181\nCVE-2026-2950\nCVE-2026-31808\nCVE-2026-31900\nCVE-2026-32274\nCVE-2026-32288\nCVE-2026-32597\nCVE-2026-32630\nCVE-2026-32887\nCVE-2026-32952\nCVE-2026-33186\nCVE-2026-33532\nCVE-2026-33750\nCVE-2026-33814\nCVE-2026-33816\nCVE-2026-33916\nCVE-2026-34043\nCVE-2026-34073\nCVE-2026-34077\nCVE-2026-3520\nCVE-2026-35469\nCVE-2026-35515\nCVE-2026-3627\nCVE-2026-39823\nCVE-2026-39825\nCVE-2026-39826\nCVE-2026-39892\nCVE-2026-39984\nCVE-2026-40175\nCVE-2026-40179\nCVE-2026-40181\nCVE-2026-40190\nCVE-2026-40347\nCVE-2026-41066\nCVE-2026-41182\nCVE-2026-41238\nCVE-2026-41239\nCVE-2026-41240\nCVE-2026-41305\nCVE-2026-41324\nCVE-2026-41425\nCVE-2026-41481\nCVE-2026-41488\nCVE-2026-41602\nCVE-2026-41636\nCVE-2026-42151\nCVE-2026-42154\nCVE-2026-42198\nCVE-2026-42211\nCVE-2026-42338\nCVE-2026-42342\nCVE-2026-42561\nCVE-2026-42577\nCVE-2026-43870\nCVE-2026-44405\nCVE-2026-44431\nCVE-2026-44432\nCVE-2026-44486\nCVE-2026-44487\nCVE-2026-44488\nCVE-2026-44492\nCVE-2026-44494\nCVE-2026-44496\nCVE-2026-44728\nCVE-2026-4539\nCVE-2026-45409\nCVE-2026-45736\nCVE-2026-46625\nCVE-2026-4800\nCVE-2026-4923\nCVE-2026-4926\nCVE-2026-7246\nCVE-2026-8723\n","source":{"id":8,"name":"csaf_certbund"},"advisoryProduct":[{"id":"76a90dbd-da59-3443-a232-e3bd24181126","product":{"name":"Concert","vendor":{"name":"IBM"}}},{"id":"9f1f9a02-4767-3b22-a1cc-47f0f5208944","product":{"name":"SUSE Linux","vendor":{"name":"SUSE"}}},{"id":"cc1d243a-3c05-3835-99df-7ead0933e4bb","product":{"name":"3.0.0","vendor":{"name":"ECOVACS"}}},{"id":"dcf4e761-739e-38a5-8152-37a7da831467","product":{"name":"3.0.1.1","vendor":{"name":"IBM"}}}]}}]}