What is CVE-2026-44915?

CVE-2026-44915 is a medium-severity vulnerability in Apache Apisix, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2026-06-19.

How severe is CVE-2026-44915?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Apache Apisix

CVE-2026-44915

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Apache APISIX. The default configuration of cas-auth in Apache APISIX is vulnerable to phishing and credential theft. 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.

Vulnerability class: Open Redirect

Published 2026-06-19 · last modified 2026-06-23.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Apache Apisix
Apache Software Foundation Apisix — versions 3.0.0

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

lists.apache.org/thread/2syk2kkzjnpzrdh98plbzj8os7wn521c (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)

Frequently asked questions

What is CVE-2026-44915?: CVE-2026-44915 is a medium-severity vulnerability in Apache Apisix, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2026-06-19.
How severe is CVE-2026-44915?: Medium severity. CVSS v3 base score is 6.1 out of 10.