{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55501", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-16T22:28:27.063Z", "datePublished": "2026-07-10T15:23:53.709Z", "dateUpdated": "2026-07-10T16:45:23.879Z"}, "containers": {"cna": {"title": "9router: Login brute-force protection bypass via spoofed X-Forwarded-For header", "problemTypes": [{"descriptions": [{"cweId": "CWE-307", "lang": "en", "description": "CWE-307: Improper Restriction of Excessive Authentication Attempts", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/decolua/9router/security/advisories/GHSA-7cfm-pqrj-xgq7", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/decolua/9router/security/advisories/GHSA-7cfm-pqrj-xgq7"}, {"name": "https://github.com/decolua/9router/commit/7648c3412b403a29f04967c4b4e9725e228791d4", "tags": ["x_refsource_MISC"], "url": "https://github.com/decolua/9router/commit/7648c3412b403a29f04967c4b4e9725e228791d4"}, {"name": "https://github.com/decolua/9router/releases/tag/v0.4.80", "tags": ["x_refsource_MISC"], "url": "https://github.com/decolua/9router/releases/tag/v0.4.80"}], "affected": [{"vendor": "decolua", "product": "9router", "versions": [{"version": "< 0.4.80", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-10T15:25:50.086Z"}, "descriptions": [{"lang": "en", "value": "9Router is an AI router & token saver. Prior to 0.4.80, the dashboard login rate limiter in src/lib/auth/loginLimiter.js derives the client identity from the attacker-controlled X-Forwarded-For HTTP header, and src/app/api/auth/login/route.js uses that spoofable value for checkLock and recordFail. A remote attacker can rotate the X-Forwarded-For value on each login attempt to receive a fresh rate-limit bucket, bypass the 5-attempt threshold and progressive lockout durations, and perform unlimited brute-force attempts against the dashboard password. This issue is fixed in version 0.4.80."}], "source": {"advisory": "GHSA-7cfm-pqrj-xgq7", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/decolua/9router/security/advisories/GHSA-7cfm-pqrj-xgq7", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-10T16:44:55.006800Z", "id": "CVE-2026-55501", "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": "2026-07-10T16:45:23.879Z"}}]}}

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