CVE-2026-49872

MEDIUM EPSS 23.7%
Published Jun 19, 20261w ago · Modified Jun 23, 20266d ago
5.3 CVSS 4.0
Medium
Find Similar
Published Jun 19, 2026 1w ago
Last Modified Jun 23, 2026 6d ago

Description

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.

CVSS Details

Base Score
5.3
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
23.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-287 Improper Authentication Authentication

Affected Products 1

VendorProductVersionRange
apacheapisix*≥3.0.0  –  <3.17.0

References 2

  • openwall.com http://www.openwall.com/lists/oss-security/2026/06/19/15
    Third Party Advisory
  • lists.apache.org https://lists.apache.org/thread/bzjpo60ygxo7kxdqf7vw3l5zw2lh6m5k
    Vendor AdvisoryMailing List

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.