Vulnerability DatabaseCVE-2026-49872
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CVE-2026-49872
Published:June 19, 2026
Updated:August 04, 2026
Improper Authentication vulnerability in Apache APISIX. When the cas-auth plugin is used in a route, an attacker can possibly authenticate itself with credentials from a different source. This issue affects Apache APISIX: from 3.0.0 through 3.16.0. Users are recommended to upgrade to version 3.17.0, which fixes the issue.
Affected Packages
https://github.com/apache/apisix.git (GITHUB):
Affected version(s) >=3.0.0 <3.17.0
Fix Suggestion:
Update to version 3.17.0
Related Resources (4)
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49872.json
https://lists.apache.org/thread/bzjpo60ygxo7kxdqf7vw3l5zw2lh6m5k
http://www.openwall.com/lists/oss-security/2026/06/19/15
https://nvd.nist.gov/vuln/detail/CVE-2026-49872
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.6
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Authentication
CWE-287
EPSS
Base Score:
0.32