Details of VAR-202606-3795

ID

VAR-202606-3795

CVE

CVE-2026-39999

TITLE

Apache Software Foundation of APISIX Spoofing authentication evasion vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2026-020793

DESCRIPTION

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. v3.17.0 We recommend that you upgrade to .- All information handled by the software may be leaked to external parties. - All information handled by the software may be overwritten. - The software will not stop

Trust: 1.62

sources: NVD: CVE-2026-39999 // JVNDB: JVNDB-2026-020793

AFFECTED PRODUCTS

vendor:	apache	model:	apisix	scope:	lt	version:	3.17.0	Trust: 1.0
vendor:	apache	model:	apisix	scope:	gte	version:	2.2	Trust: 1.0
vendor:	apache	model:	apisix	scope:	eq	version:	-	Trust: 0.8
vendor:	apache	model:	apisix	scope:	-	version:	-	Trust: 0.8
vendor:	apache	model:	apisix	scope:	eq	version:	2.2 that's all 3.17.0	Trust: 0.8

sources: JVNDB: JVNDB-2026-020793 // NVD: CVE-2026-39999

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2026-39999
value:	CRITICAL
Trust: 1.0
security@apache.org:	CVE-2026-39999
value:	HIGH
Trust: 1.0
NVD:	CVE-2026-39999
value:	CRITICAL
Trust: 0.8

nvd@nist.gov:	CVE-2026-39999
baseSeverity:	CRITICAL
baseScore:	9.1
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	NONE
exploitabilityScore:	3.9
impactScore:	5.2
version:	3.1
Trust: 1.0
NVD:	CVE-2026-39999
baseSeverity:	CRITICAL
baseScore:	9.1
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: JVNDB: JVNDB-2026-020793 // NVD: CVE-2026-39999 // NVD: CVE-2026-39999

PROBLEMTYPE DATA

problemtype:	CWE-290	Trust: 1.0
problemtype:	Avoid authentication by spoofing (CWE-290) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2026-020793 // NVD: CVE-2026-39999

PATCH

title:

Apache APISIX

url:

https://lists.apache.org/thread/nfopt8cnxd3k0rs1oxtr7lzxrdw4mojq

Trust: 0.8

sources: JVNDB: JVNDB-2026-020793

EXTERNAL IDS

db:	NVD	id:	CVE-2026-39999	Trust: 2.6
db:	OPENWALL	id:	OSS-SECURITY/2026/06/19/5	Trust: 1.0
db:	JVNDB	id:	JVNDB-2026-020793	Trust: 0.8

sources: JVNDB: JVNDB-2026-020793 // NVD: CVE-2026-39999

REFERENCES

url:	http://www.openwall.com/lists/oss-security/2026/06/19/5	Trust: 1.0
url:	https://lists.apache.org/thread/nfopt8cnxd3k0rs1oxtr7lzxrdw4mojq	Trust: 1.0
url:	https://nvd.nist.gov/vuln/detail/cve-2026-39999	Trust: 0.8

sources: JVNDB: JVNDB-2026-020793 // NVD: CVE-2026-39999

SOURCES

db:	JVNDB	id:	JVNDB-2026-020793
db:	NVD	id:	CVE-2026-39999

LAST UPDATE DATE

2026-06-26T23:36:48.174000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2026-020793	date:	2026-06-26T02:46:00
db:	NVD	id:	CVE-2026-39999	date:	2026-06-23T15:08:22.603

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2026-020793	date:	2026-06-26T00:00:00
db:	NVD	id:	CVE-2026-39999	date:	2026-06-19T14:16:21.950