{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55641", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-16T23:52:12.057Z", "datePublished": "2026-07-10T15:36:05.964Z", "dateUpdated": "2026-07-10T15:36:05.964Z"}, "containers": {"cna": {"title": "9router: Unauthenticated `/v1` proxy access via `Host`-header spoofing \u2192 open AI relay + SSRF", "problemTypes": [{"descriptions": [{"cweId": "CWE-290", "lang": "en", "description": "CWE-290: Authentication Bypass by Spoofing", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-348", "lang": "en", "description": "CWE-348: Use of Less Trusted Source", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-918", "lang": "en", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-1327", "lang": "en", "description": "CWE-1327: Binding to an Unrestricted IP Address", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/decolua/9router/security/advisories/GHSA-86m2-fcxq-5q7c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/decolua/9router/security/advisories/GHSA-86m2-fcxq-5q7c"}, {"name": "https://github.com/decolua/9router/commit/b282f0554972ea35281520738759d76abcd0b0b3", "tags": ["x_refsource_MISC"], "url": "https://github.com/decolua/9router/commit/b282f0554972ea35281520738759d76abcd0b0b3"}, {"name": "https://github.com/decolua/9router/releases/tag/v0.5.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/decolua/9router/releases/tag/v0.5.2"}], "affected": [{"vendor": "decolua", "product": "9router", "versions": [{"version": "< 0.5.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-10T15:36:05.964Z"}, "descriptions": [{"lang": "en", "value": "9Router is an AI router & token saver. Prior to 0.5.2, 9router determines whether a /v1 LLM proxy request is local by reading the client-controlled Host header, allowing a remote unauthenticated attacker to send Host: localhost and bypass API-key authentication. In the default configuration, this exposes the /v1 proxy to upstream provider calls using stored provider credentials and allows /v1/search with the searxng provider_options.baseUrl parameter to drive server-side requests to internal or cloud-metadata hosts. This issue is fixed in version 0.5.2."}], "source": {"advisory": "GHSA-86m2-fcxq-5q7c", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{}