CVE-2026-55584

CVE-2026-55584 - phpSysInfo IP 허용 목록 우회 CWE-290, CVSS 7.5 높음, phpSysInfo = 3.4.5 참조: GHSA-786w-p5pm-cvgh, CVE.org PSIALLOWED는 REMOTEADDR로 폴백하기 전에 공격자가 제어하는 X-Forwarded-For그다음 Client-IP 헤더에서 클라이언트 IP를 결정합니다. 신뢰할 수 있는 프록시 개념이 없으므로, 허용된 IP를 스푸핑하면 허용 목록을 무력화하고 xml.php를 통해 전체 시스템 정보가 노출됩니다. PoC:...

CVE-2026-83602

A flaw was found in Netdata, an open-source observability tool. An unauthenticated remote attacker can bypass IP allowlist restrictions by sending PUT requests to the /api/v3/settings endpoint. This allows the attacker to write arbitrary data to a settings file, potentially leading to a Denial of...

CVE-2026-83602 Netdata: Unauthenticated remote PUT to /api/v3/settings bypasses IP allowlist controls via HTTP_ACL_NOCHECK

Netdata is an open source observability tool. From 2.0.0 until 2.11.0, Netdata registers /api/v3/settings in src/web/api/v3/webapiv3.c with HTTPACLNOCHECK and HTTPACCESSANONYMOUSDATA, causing unauthenticated PUT requests handled by src/web/api/v3/apiv3settings.c to bypass operator-configured allo...

CVE-2026-83602 Netdata: Unauthenticated remote PUT to /api/v3/settings bypasses IP allowlist controls via HTTP_ACL_NOCHECK

Netdata is an open source observability tool. From 2.0.0 until 2.11.0, Netdata registers /api/v3/settings in src/web/api/v3/webapiv3.c with HTTPACLNOCHECK and HTTPACCESSANONYMOUSDATA, causing unauthenticated PUT requests handled by src/web/api/v3/apiv3settings.c to bypass operator-configured allo...

CVE-2026-83602 Netdata: Unauthenticated remote PUT to /api/v3/settings bypasses IP allowlist controls via HTTP_ACL_NOCHECK

Netdata is an open source observability tool. From 2.0.0 until 2.11.0, Netdata registers /api/v3/settings in src/web/api/v3/webapiv3.c with HTTPACLNOCHECK and HTTPACCESSANONYMOUSDATA, causing unauthenticated PUT requests handled by src/web/api/v3/apiv3settings.c to bypass operator-configured allo...

CVE-2026-91997 evolution-api through 2.3.7 Prometheus Metrics IP Allowlist Bypass

evolution-api through 2.3.7 contains an incorrect array comparison in the metricsIPWhitelist middleware that always evaluates to false, allowing unauthenticated access to the /metrics endpoint. Attackers can bypass IP whitelist restrictions to access sensitive metrics disclosing server version,...

CVE-2026-91997 evolution-api through 2.3.7 Prometheus Metrics IP Allowlist Bypass

evolution-api through 2.3.7 contains an incorrect array comparison in the metricsIPWhitelist middleware that always evaluates to false, allowing unauthenticated access to the /metrics endpoint. Attackers can bypass IP whitelist restrictions to access sensitive metrics disclosing server version,...

GHSA-786W-P5PM-CVGH phpSysInfo has an IP allowlist (PSI_ALLOWED) bypass via spoofed X-Forwarded-For / Client-IP headers

Summary phpSysInfo's PSIALLOWED IP allowlist can be trivially bypassed by any unauthenticated remote attacker. The access-control check in readconfig.php derives the client IP from the attacker-controlled X-Forwarded-For and Client-IP HTTP headers before falling back to REMOTEADDR. An attacker ca...

CVE-2026-55584 phpSysInfo: IP allowlist (PSI_ALLOWED) bypass via spoofed X-Forwarded-For / Client-IP headers

phpSysInfo is a customizable PHP script that displays system information. Prior to 3.4.6, the PSIALLOWED access-control check in readconfig.php trusts attacker-controlled X-Forwarded-For and Client-IP HTTP headers before REMOTEADDR. A remote unauthenticated attacker can supply an allowed address ...

CVE-2026-55584 phpSysInfo: IP allowlist (PSI_ALLOWED) bypass via spoofed X-Forwarded-For / Client-IP headers

phpSysInfo is a customizable PHP script that displays system information. Prior to 3.4.6, the PSIALLOWED access-control check in readconfig.php trusts attacker-controlled X-Forwarded-For and Client-IP HTTP headers before REMOTEADDR. A remote unauthenticated attacker can supply an allowed address ...

EUVD-2026-67862

phpSysInfo is a customizable PHP script that displays system information. Prior to 3.4.6, the PSIALLOWED access-control check in readconfig.php trusts attacker-controlled X-Forwarded-For and Client-IP HTTP headers before REMOTEADDR. A remote unauthenticated attacker can supply an allowed address ...

CVE-2026-55584 phpSysInfo: IP allowlist (PSI_ALLOWED) bypass via spoofed X-Forwarded-For / Client-IP headers

phpSysInfo is a customizable PHP script that displays system information. Prior to 3.4.6, the PSIALLOWED access-control check in readconfig.php trusts attacker-controlled X-Forwarded-For and Client-IP HTTP headers before REMOTEADDR. A remote unauthenticated attacker can supply an allowed address ...

CVE-2026-55584

phpSysInfo versions ≤ 3.4.5 contain an IP allowlist bypass in the PSI_ALLOWED check within read_config.php. The vulnerable code resolves the client IP from attacker-controlled X-Forwarded-For and Client-IP headers before falling back to REMOTE_ADDR, with no trusted-proxy concept. A remote unauthe...

WordPress Security Optimizer - The All-In-One Protection Plugin plugin < 1.6.5 - Login Access IP Allowlist Bypass via post_password vulnerability

WordPress Security Optimizer - The All-In-One Protection Plugin plugin 1.6.5 - Login Access IP Allowlist Bypass via postpassword vulnerability discovered by Shivamani Vastrala in WordPress Plugin SiteGround Security versions 1.6.5...

phpSysInfo 3.4.5 - IP Allowlist Bypass

Exploit Title: phpSysInfo 3.4.5 - IP Allowlist Bypass Google Dork: N/A Date: 2026-07-11 Exploit Author: Muhammed Mirac Kayikci Vendor Homepage: https://phpsysinfo.github.io/phpsysinfo/ Software Link: https://github.com/phpsysinfo/phpsysinfo/archive/refs/tags/v3.4.5.tar.gz Version: "Client IP...

CVE-2026-0692

The CVE-2026-0692 entry concerns the BlueSnap Payment Gateway for WooCommerce WordPress plugin. Affected component: the plugin (up to version 3.3.0). Root cause: it validates IPN requests by relying on WooCommerce’s WC_Geolocation::get_ip_address(), which trusts user-controllable headers (e.g., X...

RustFS has SourceIp bypass via spoofed X-Forwarded-For/Real-IP headers

Summary IP-based access control can be bypassed: getconditionvalues trusts client-supplied X-Forwarded-For/X-Real-Ip without verifying a trusted proxy, so any reachable client can spoof aws:SourceIp and satisfy IP-allowlist policies. Details - Vulnerable code: rustfs/src/auth.rs:289-304 sets...

CVE-2026-21862 RustFS sourceIp bypass via spoofed X-Forwarded-For/Real-IP headers

RustFS is a distributed object storage system built in Rust. Prior to version alpha.78, IP-based access control can be bypassed: getconditionvalues trusts client-supplied X-Forwarded-For/X-Real-Ip without verifying a trusted proxy, so any reachable client can spoof aws:SourceIp and satisfy...

CVE-2025-65328: Reliance on Untrusted Inputs in a Security Decision

Mega-Fence webgate-lib. 25.1.914 and prior trusts the first value of the X-Forwarded-For XFF header as the client IP without validating a trusted proxy chain. An attacker can supply an arbitrary XFF value in a remote request to spoof the client IP, which is then propagated to security-relevant...

PT-2026-1292

Name of the Vulnerable Software and Affected Versions Mega-Fence versions 25.1.914 and prior Description The software does not validate a trusted proxy chain when using the X-Forwarded-For XFF header to determine the client IP address. An attacker can manipulate the XFF header to spoof the client...