Medium severity · published Jun 19, 2026
CVE-2026-44915
Apache APISIX: Cas-auth plugin open redirect via unsanitized cookie value
6.1
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AA
Apache APISIX · Apache Software Foundation
3.0.0 through 3.16.0 · source: vendor
AP
Apisix · Apache
3.0.0 before 3.17.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-44915
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-44915
Vendor Advisory
https://lists.apache.org/thread/2syk2kkzjnpzrdh98plbzj8os7wn521c
Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/06/19/8
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