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vuln-cve/data/2026/39xxx/CVE-2026-39999.json
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"cveId": "CVE-2026-39999",
"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"state": "PUBLISHED",
"assignerShortName": "apache",
"dateReserved": "2026-04-08T02:56:44.658Z",
"datePublished": "2026-06-19T13:07:50.893Z",
"dateUpdated": "2026-06-22T16:17:30.194Z"
},
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"defaultStatus": "unaffected",
"product": "Apache APISIX",
"vendor": "Apache Software Foundation",
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"lessThanOrEqual": "3.16.0",
"status": "affected",
"version": "2.2",
"versionType": "semver"
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"type": "reporter",
"value": "Marco Capuano"
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"value": "<p>Authentication Bypass by Spoofing vulnerability in Apache APISIX.</p>The attacker can completely bypass authentication capitalising on certain configurations of jwt-auth plugin.<br><p>This issue affects Apache APISIX: from v2.2 through v3.16.0.</p><p>Users are recommended to upgrade to version v3.17.0, which fixes the issue.</p>"
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"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
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"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 7,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "HIGH",
"subIntegrityImpact": "HIGH",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
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"format": "CVSS",
"scenarios": [
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"lang": "en",
"value": "GENERAL"
}
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"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-290",
"description": "CWE-290 Authentication Bypass by Spoofing",
"lang": "en",
"type": "CWE"
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"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"shortName": "apache",
"dateUpdated": "2026-06-19T13:07:50.893Z"
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"references": [
{
"tags": [
"vendor-advisory"
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"url": "https://lists.apache.org/thread/nfopt8cnxd3k0rs1oxtr7lzxrdw4mojq"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Apache APISIX: JWT Algorithm Confusion allows authentication bypass",
"x_generator": {
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"adp": [
{
"title": "CVE Program Container",
"references": [
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"url": "http://www.openwall.com/lists/oss-security/2026/06/19/5"
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2026-06-19T16:49:47.000Z"
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"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-06-22T16:17:18.663952Z",
"id": "CVE-2026-39999",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
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"title": "CISA ADP Vulnrichment",
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