VulnerabilityAnalyzed
CVE-2026-49872
Improper Authentication vulnerability in Apache APISIX.
MEDIUM 5.3EPSS 0.53%
Does this matter?
Lower severity and a low EPSS score (0.53%). Track it; it rarely justifies an emergency change on its own.
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 4.0
- 5.3 MEDIUMCVSS: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/M
- EPSS
- 0.53% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- apache/apisix
- Source
- security@apache.org
References
- https://lists.apache.org/thread/bzjpo60ygxo7kxdqf7vw3l5zw2lh6m5kVendor Advisory, Mailing List
- http://www.openwall.com/lists/oss-security/2026/06/19/15Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.