CVE-2020-37056

The CVE-2020-37056 entry concerns Crystal Shard http-protection 0.2.0, where an IP-spoofing flaw allows bypass of protection middleware by crafting headers. Specifically, attackers can set consistent values in X-Forwarded-For, X-Client-IP, and X-Real-IP to defeat checks and gain unauthorized acce...

CVE-2025-66577 cpp-httplib Untrusted HTTP Header Handling: X-Forwarded-For/X-Real-IP Trust

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.27.0, a vulnerability allows attacker-controlled HTTP headers to influence server-visible metadata, logging, and authorization decisions. An attacker can supply X-Forwarded-For or X-Real-IP headers which...

CVE-2025-51663

FileCodeBox (up to 2.2) includes an IP rate-limiting flaw in the IPRateLimit implementation that lets remote attackers bypass ip-based rate limits and failed attempt restrictions by forging X-Real-IP and X-Forwarded-For headers. This can enable DoS or brute-force sharing code attempts. Affected c...

PYSEC-2024-27

CrateDB 5.5.1 is contains an authentication bypass vulnerability in the Admin UI component. After configuring password authentication and Local In the case of an address, identity authentication can be bypassed by setting the X-Real IP request header to a specific value and accessing the Admin UI...

CVE-2023-51982

CrateDB 5.5.1 is contains an authentication bypass vulnerability in the Admin UI component. After configuring password authentication and Local In the case of an address, identity authentication can be bypassed by setting the X-Real IP request header to a specific value and accessing the Admin UI...

CrateDB Security Vulnerability

CrateDB is a distributed and scalable SQL database from CrateDB, Inc. A security vulnerability exists in CrateDB version 5.5.1, which stems from an authentication bypass vulnerability contained in the Admin UI component, which can be bypassed by setting the X-Real IP request header to a specific...

authentik 安全漏洞

authentik is an open source identity provisioning application from authentik Open Source. A security vulnerability exists in authentik version 2023.4.3, 2023.5.5, which stems from a vulnerability that does not validate the origin of X-Forwarded-For and X-Real-IP headers in Python code and go...

CVE-2019-11829

OS command injection vulnerability in driverssynoimportuser.php in Synology Calendar before 2.3.1-0617 allows remote attackers to execute arbitrary commands via the crafted 'X-Real-IP' header...

Command injection

OS command injection vulnerability in driverssynoimportuser.php in Synology Calendar before 2.3.1-0617 allows remote attackers to execute arbitrary commands via the crafted 'X-Real-IP' header...

CVE-2019-11829

OS command injection vulnerability in driverssynoimportuser.php in Synology Calendar before 2.3.1-0617 allows remote attackers to execute arbitrary commands via the crafted 'X-Real-IP' header...