CVE-2026-31908

CVE-2026-31908 - Apache APISIX Header Injection Exploit 📋 Overview This is a Proof of Concept PoC exploit for CVE-2026-31908 , a critical header injection vulnerability discovered in Apache APISIX versions 2.12.0 through 3.15.0. The vulnerability exists in the forward-auth plugin, where improper...

APISIX Forward-Auth Spoofing

The vulnerability of the forward-auth plugin for the Apache APISIX cloud API gateway is related to insufficient validation of input data. Exploiting this vulnerability allows a malicious actor to perform spoofing attacks remotely...

BIT-APISIX-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...

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-2026-39998

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...

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...

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...

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...

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-2026-39998: Improper Input Validation

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...

APISIX Forward-Auth Bypass Unauthorized Access

The vulnerability of the forward-auth plugin for the Apache APISIX cloud API lies in the improper handling of CRLF sequences. Exploiting this vulnerability allows an attacker to bypass existing security mechanisms and gain unauthorized access to protected information by sending specially crafted...

Exploit for Special Element Injection in Apache Apisix

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

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...

CVE-2026-31908

Apache APISIX versions 2.12.0 through 3.15.0 are vulnerable to a critical header injection vulnerability within the forward-auth plugin. The root cause is the improper handling and sanitization of CRLF (\r\n) sequences, which allows unauthenticated attackers to inject malicious HTTP headers via s...

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: Failure to Sanitize Special Elements into a Different Plane (Special Element 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...

EUVD-2024-30440

Malicious code in bioql PyPI...

CVE-2024-32638

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Apache APISIX when using forward-auth plugin.This issue affects Apache APISIX: from 3.8.0, 3.9.0. Users are recommended to upgrade to version 3.8.1, 3.9.1 or higher, which fixes the issue...

BIT-APISIX-2024-32638 Apache APISIX: Forward-Auth Request Smuggling

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Apache APISIX when using forward-auth plugin.This issue affects Apache APISIX: from 3.8.0, 3.9.0. Users are recommended to upgrade to version 3.8.1, 3.9.1 or higher, which fixes the issue...