Details of VAR-202606-3962

ID

VAR-202606-3962

CVE

CVE-2026-47339

TITLE

Apache Software Foundation of APISIX Fraud related to unauthorized authentication in

Trust: 0.8

sources: JVNDB: JVNDB-2026-021017

DESCRIPTION

Incorrect Authorization vulnerability in Apache APISIX. An attacker can capitalise on authz-casdoor plugin under default configuration to authenticate themselves with credentials from a different source. This issue affects Apache APISIX: from 2.14.1 through 3.16.0. Users are recommended to upgrade to version 3.17.0, which fixes the issue. An attacker could exploit the default settings. This is a problem. 3.17.0 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-2026-47339 // JVNDB: JVNDB-2026-021017

AFFECTED PRODUCTS

vendor:	apache	model:	apisix	scope:	gte	version:	2.14.1	Trust: 1.0
vendor:	apache	model:	apisix	scope:	lt	version:	3.17.0	Trust: 1.0
vendor:	apache	model:	apisix	scope:	eq	version:	2.14.1 that's all 3.17.0	Trust: 0.8
vendor:	apache	model:	apisix	scope:	eq	version:	-	Trust: 0.8
vendor:	apache	model:	apisix	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2026-021017 // NVD: CVE-2026-47339

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2026-47339
value:	HIGH
Trust: 1.0
security@apache.org:	CVE-2026-47339
value:	MEDIUM
Trust: 1.0
NVD:	CVE-2026-47339
value:	HIGH
Trust: 0.8

nvd@nist.gov:	CVE-2026-47339
baseSeverity:	HIGH
baseScore:	8.1
vectorString:	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	NONE
exploitabilityScore:	2.8
impactScore:	5.2
version:	3.1
Trust: 1.0
NVD:	CVE-2026-47339
baseSeverity:	HIGH
baseScore:	8.1
vectorString:	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: JVNDB: JVNDB-2026-021017 // NVD: CVE-2026-47339 // NVD: CVE-2026-47339

PROBLEMTYPE DATA

problemtype:	CWE-863	Trust: 1.0
problemtype:	Illegal authentication (CWE-863) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2026-021017 // NVD: CVE-2026-47339

PATCH

title:

Apache APISIX

url:

https://lists.apache.org/thread/lk4q5o855cocc7zq5wh1zlctfmcq6f76

Trust: 0.8

sources: JVNDB: JVNDB-2026-021017

EXTERNAL IDS

db:	NVD	id:	CVE-2026-47339	Trust: 2.6
db:	OPENWALL	id:	OSS-SECURITY/2026/06/19/9	Trust: 1.0
db:	JVNDB	id:	JVNDB-2026-021017	Trust: 0.8

sources: JVNDB: JVNDB-2026-021017 // NVD: CVE-2026-47339

REFERENCES

url:	https://lists.apache.org/thread/lk4q5o855cocc7zq5wh1zlctfmcq6f76	Trust: 1.0
url:	http://www.openwall.com/lists/oss-security/2026/06/19/9	Trust: 1.0
url:	https://nvd.nist.gov/vuln/detail/cve-2026-47339	Trust: 0.8

sources: JVNDB: JVNDB-2026-021017 // NVD: CVE-2026-47339

SOURCES

db:	JVNDB	id:	JVNDB-2026-021017
db:	NVD	id:	CVE-2026-47339

LAST UPDATE DATE

2026-06-26T23:20:07.318000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2026-021017	date:	2026-06-26T02:57:00
db:	NVD	id:	CVE-2026-47339	date:	2026-06-23T15:11:58.420

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2026-021017	date:	2026-06-26T00:00:00
db:	NVD	id:	CVE-2026-47339	date:	2026-06-19T14:16:22.443