CVE Explorer
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Apache APISIX","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"3.16.0","status":"affected","version":"2.2","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:f27373d89958a1b9a10ce0ba5a4465b6ff19c8cfd0199e1223b74f2fd9699794 · sha256:36658727285530a6… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","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":"NO…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:f27373d89958a1b9a10ce0ba5a4465b6ff19c8cfd0199e1223b74f2fd9699794 · sha256:36658727285530a6… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-290","description":"CWE-290 Authentication Bypass by Spoofing","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:f27373d89958a1b9a10ce0ba5a4465b6ff19c8cfd0199e1223b74f2fd9699794 · sha256:36658727285530a6… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"http://www.openwall.com/lists/oss-security/2026/06/19/5"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:f27373d89958a1b9a10ce0ba5a4465b6ff19c8cfd0199e1223b74f2fd9699794 · sha256:36658727285530a6… · /containers/adp/0/references/0
{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/nfopt8cnxd3k0rs1oxtr7lzxrdw4mojq"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:f27373d89958a1b9a10ce0ba5a4465b6ff19c8cfd0199e1223b74f2fd9699794 · sha256:36658727285530a6… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.