CVE-2026-39998

Improper Input Validation vulnerability in Apache APISIX. The attacker can take advantage of certain configuration in forward-auth plugin to spoof identity headers. This issue affects Apache APISIX: from 2.12.0 through 3.16.0. Users are recommended to upgrade to version 3.17.0, which fixes the...

CVE-2026-49872

The CVE-2026-49872 entry concerns Apache APISIX and its cas-auth plugin. Affected versions are 3.0.0 through 3.16.0; the issue is an improper authentication flaw where, when cas-auth is used on a route, an attacker may authenticate using credentials from a different source. The public documentati...

EUVD-2026-38026

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...

CVE-2026-49872 Apache APISIX: Improper authentication in cas-auth plugin

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...

EUVD-2026-38025

Cross-Site Request Forgery CSRF vulnerability in the cas-auth plugin under default configurations. This defect allows a remote attacker that manages to send a victim to a webpage controlled by them can cause the victim's browser to become authenticated as a different identity. Actions the victim...

CVE-2026-49871 Apache APISIX: cas-auth login CSRF / session injection issue

Cross-Site Request Forgery CSRF vulnerability in the cas-auth plugin under default configurations. This defect allows a remote attacker that manages to send a victim to a webpage controlled by them can cause the victim's browser to become authenticated as a different identity. Actions the victim...

CVE-2026-49871

CVE-2026-49871 describes a Cross-Site Request Forgery (CSRF) vulnerability in the cas-auth plugin under default configurations in Apache APISIX versions 3.0.0–3.16.0. The issue allows a remote attacker who can lure a victim to a controlled webpage to cause the victim’s browser to become authentic...

CVE-2026-44915 Apache APISIX: Cas-auth plugin open redirect via unsanitized cookie value

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,...

CVE-2026-44915

CVE-2026-44915 is an Open Redirect vulnerability in Apache APISIX related to the cas-auth plugin in its default configuration. The issue affects Apache APISIX versions 3.0.0 through 3.16.0 and could enable phishing and credential theft. Apache recommends upgrading to version 3.17.0, which contain...

CVE-2026-39998

CVE-2026-39998 describes an identity-header spoofing issue in Apache APISIX caused by improper input validation in the forward-auth plugin. Affects APISIX releases from 2.12.0 through 3.16.0. Exploitation could enable an attacker to spoof identity headers due to configuration in forward-auth. The...

EUVD-2026-38011

Improper Input Validation vulnerability in Apache APISIX. The attacker can take advantage of certain configuration in forward-auth plugin to spoof identity headers. This issue affects Apache APISIX: from 2.12.0 through 3.16.0. Users are recommended to upgrade to version 3.17.0, which fixes the...

CVE-2026-39998 Apache APISIX: Identity Injection via forward-auth Plugin Missing Header Cleanup

Improper Input Validation vulnerability in Apache APISIX. The attacker can take advantage of certain configuration in forward-auth plugin to spoof identity headers. This issue affects Apache APISIX: from 2.12.0 through 3.16.0. Users are recommended to upgrade to version 3.17.0, which fixes the...

BIT-VAULT-2026-4525 Vault Token Leaked to Backends via Authorization: Bearer Passthrough Header

If a Vault auth mount is configured to pass through the "Authorization" header, and the "Authorization" header is used to authenticate to Vault, Vault forwarded the Vault token to the auth plugin backend. Fixed in 2.0.0, 1.21.5, 1.20.10, and 1.19.16...

Exploit for Special Element Injection in Apache Apisix

CVE-2026-31908 - Apache APISIX Header Injection Exploit !Se...

CVE-2026-4525

If a Vault auth mount is configured to pass through the "Authorization" header, and the "Authorization" header is used to authenticate to Vault, Vault forwarded the Vault token to the auth plugin backend. Fixed in 2.0.0, 1.21.5, 1.20.10, and 1.19.16...

CVE-2026-4525 Vault Token Leaked to Backends via Authorization: Bearer Passthrough Header

If a Vault auth mount is configured to pass through the "Authorization" header, and the "Authorization" header is used to authenticate to Vault, Vault forwarded the Vault token to the auth plugin backend. Fixed in 2.0.0, 1.21.5, 1.20.10, and 1.19.16...

PT-2026-33398

Name of the Vulnerable Software and Affected Versions HashiCorp Vault versions prior to 2.0.0 HashiCorp Vault versions prior to 1.21.5 HashiCorp Vault versions prior to 1.20.10 HashiCorp Vault versions prior to 1.19.16 Description When a Vault auth mount is configured to pass through the...

CVE-2026-31908 Apache APISIX: forward auth plugin allows header injection

Header injection vulnerability in Apache APISIX. The attacker can take advantage of certain configuration in forward-auth plugin to inject malicious headers. This issue affects Apache APISIX: from 2.12.0 through 3.15.0. Users are recommended to upgrade to version 3.16.0, which fixes the issue...

CVE-2026-31908

Apache APISIX (forward-auth plugin) is affected by a header injection vulnerability (CVE-2026-31908) tracked across multiple feeds. Affects versions 2.12.0 through 3.15.0; exploitation arises from improper sanitization of CRLF sequences in the forward-auth plugin, enabling injection of HTTP heade...

EUVD-2026-22225

Header injection vulnerability in Apache APISIX. The attacker can take advantage of certain configuration in forward-auth plugin to inject malicious headers. This issue affects Apache APISIX: from 2.12.0 through 3.15.0. Users are recommended to upgrade to version 3.16.0, which fixes the issue...