Vulnerability intelligence
CVE-2026-39999
Authentication Bypass by Spoofing vulnerability in Apache APISIX. The attacker can completely bypass authentication capitalising on certain configurations of jwt-auth plugin. This issue affects Apache APISIX: from v2.2 through v3.16.0. Users are recommended to upgrade to version v3.17.0, which fixes the issue.
CVSS Score
7
High
EPSS — Exploit Probability
0.4%
Riskier than 31% of all CVEs
Exploitation
Not in CISA KEV
No federal exploitation record
Remediation
unknown
Check vendor advisories
1 article across 1 outlet · first covered Jul 8, 2026 · latest Jul 8, 2026
Coverage timeline
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APISIX JWT bug lets attackers bypass authentication, CVE-2026-39999securityonline.info · Jul 8, 2026