CVE-2026-48895 PUBLISHED

Apache APISIX: Cas-auth Host header influence on CAS service URL

Assigner: apache
Reserved: 26.05.2026 Published: 19.06.2026 Updated: 19.06.2026

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Apache APISIX.

The attacker could manipulate some client headers to perform an open-redirect, to potentially expose the session token.

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 Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS Score: 2.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	Low
Attack Complexity	Low	Integrity	None	Integrity	Low
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	Active

CVSS 4.0

Vendor	Apache Software Foundation
Product	Apache APISIX
Versions	Default: unaffected affected from 3.0.0 to 3.16.0 (incl.)