{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-33637", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-23T14:24:11.619Z", "datePublished": "2026-05-19T17:44:42.557Z", "dateUpdated": "2026-05-19T18:37:22.100Z"}, "containers": {"cna": {"title": "Faraday: Protocol-relative URI objects still bypass host scoping (possible incomplete fix for GHSA-33mh-2634-fwr2)", "problemTypes": [{"descriptions": [{"cweId": "CWE-918", "lang": "en", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 0, "baseSeverity": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/lostisland/faraday/security/advisories/GHSA-5rv5-xj5j-3484", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/lostisland/faraday/security/advisories/GHSA-5rv5-xj5j-3484"}, {"name": "https://github.com/advisories/GHSA-33mh-2634-fwr2", "tags": ["x_refsource_MISC"], "url": "https://github.com/advisories/GHSA-33mh-2634-fwr2"}], "affected": [{"vendor": "lostisland", "product": "faraday", "versions": [{"version": ">= 2.0.0, <= 2.14.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-19T17:44:42.557Z"}, "descriptions": [{"lang": "en", "value": "Faraday is an HTTP client library abstraction layer that provides a common interface over many adapters. Versions 2.0.0 through 2.14.1 still allow protocol-relative host override when the request target is passed as a URI object (rather than a String) to Faraday::Connection#build_exclusive_url. This bypasses the February 2026 fix for GHSA-33mh-2634-fwr2 and enables off-host request forgery: a request built from a fixed-base Faraday::Connection can be redirected to an attacker-controlled host, forwarding connection-scoped values such as Authorization headers and default query parameters. This issue has been fixed in version 2.14.3."}], "source": {"advisory": "GHSA-5rv5-xj5j-3484", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/lostisland/faraday/security/advisories/GHSA-5rv5-xj5j-3484", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-19T18:36:58.299461Z", "id": "CVE-2026-33637", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-19T18:37:22.100Z"}}]}}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.0.0,2.14.2]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "faraday", "source": "cna", "vendor": "lostisland"}, "product": "faraday", "vendor": "lostisland"}], "created": "2026-05-19T19:30:12.411143+00:00", "updated": "2026-05-19T20:00:13.352002+00:00", "vendors": ["lostisland", "lostisland$PRODUCT$faraday"]}