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vuln-cve/data/2026/55xxx/CVE-2026-55501.json
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{
"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"
}
}
]
}
}