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,...

CVE-2026-18174

A flaw was found in @fastify/forwarded. This component, responsible for resolving client addresses from the X-Forwarded-For header, fails to strip horizontal tab characters when processing multiple comma-separated entries. A remote attacker could exploit this by injecting tab characters into the...

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...

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 ...

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: 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-2026-13342 Security Optimizer – The All-In-One Protection Plugin < 1.6.5 - Login Access IP Allowlist Bypass via post_password

The Security Optimizer WordPress plugin from 1.5.8 to 1.6.4 does not correctly validate requests to its optional IP-based login restriction feature, allowing the restriction to be bypassed so that unauthenticated requests from non-allowlisted IP addresses can reach and use the login form, defeati...

SUSE CVE-2026-45709

Mailpit is an email testing tool and API for developers. The fix for GHSA-6jxm-fv7w-rw5j CVE-2026-23845, "Server-Side Request Forgery SSRF via HTML Check API", shipped in mailpit v1.28.3, hardened internal/htmlcheck/css.go::downloadCSSToBytes with a 5MB size cap, a text/css content-type check,...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass via the IPAllowlist function in the accesscontrol.go component. An attacker can gain unauthorized access and potentially compromise confidentiality, integrity, and availability by sending crafted requests remotely...