CVE-2026-108555

PairDrop through 1.11.2 contains an IP spoofing vulnerability in Peer.setIP that allows remote attackers to join other networks' discovery rooms by supplying a forged cf-connecting-ip header. Attackers who know a victim's public IP can appear as a local device on self-hosted instances not behind...

CVE-2026-108555

The PairDrop application (versions through 1.11.2 ) is vulnerable to an IP spoofing issue within the Peer._setIP function. This vulnerability stems from the software's reliance on the cf-connecting-ip header, which allows remote attackers to provide a forged header. If an attacker knows a victim'...

CVE-2026-108555 PairDrop through 1.11.2 IP Spoofing via cf-connecting-ip Header

PairDrop through 1.11.2 contains an IP spoofing vulnerability in Peer.setIP that allows remote attackers to join other networks' discovery rooms by supplying a forged cf-connecting-ip header. Attackers who know a victim's public IP can appear as a local device on self-hosted instances not behind...

EUVD-2026-96349

PairDrop through 1.11.2 contains an IP spoofing vulnerability in Peer.setIP that allows remote attackers to join other networks' discovery rooms by supplying a forged cf-connecting-ip header. Attackers who know a victim's public IP can appear as a local device on self-hosted instances not behind...

CVE-2026-108555 PairDrop through 1.11.2 IP Spoofing via cf-connecting-ip Header

PairDrop through 1.11.2 contains an IP spoofing vulnerability in Peer.setIP that allows remote attackers to join other networks' discovery rooms by supplying a forged cf-connecting-ip header. Attackers who know a victim's public IP can appear as a local device on self-hosted instances not behind...

CVE-2026-107393

FreeScout is a self-hosted help desk and shared mailbox. Prior to 1.8.235, when APPCLOUDFLAREISUSED is enabled, FreeScout trusts an unvalidated CF-Connecting-IP header during failed login attempts and stores the spoofed value in the activity log. LogsMonitor inserts the value into an administrato...

CVE-2026-107393 FreeScout: Stored HTML Injection in Administrator Alert Emails via Spoofed CF-Connecting-IP Header

FreeScout is a self-hosted help desk and shared mailbox. Prior to 1.8.235, when APPCLOUDFLAREISUSED is enabled, FreeScout trusts an unvalidated CF-Connecting-IP header during failed login attempts and stores the spoofed value in the activity log. LogsMonitor inserts the value into an administrato...

CVE-2026-107393

Prior to version 1.8.235 , FreeScout (a self-hosted help desk) is vulnerable to Stored HTML Injection when the APP_CLOUDFLARE_IS_USED setting is enabled. The application trusts an unvalidated CF-Connecting-IP header during failed login attempts and stores the spoofed value in the activity log. Th...

CVE-2026-107393 FreeScout: Stored HTML Injection in Administrator Alert Emails via Spoofed CF-Connecting-IP Header

FreeScout is a self-hosted help desk and shared mailbox. Prior to 1.8.235, when APPCLOUDFLAREISUSED is enabled, FreeScout trusts an unvalidated CF-Connecting-IP header during failed login attempts and stores the spoofed value in the activity log. LogsMonitor inserts the value into an administrato...

CVE-2026-107393: Improper Neutralization of Input During Web Page Generation

FreeScout is a self-hosted help desk and shared mailbox. Prior to 1.8.235, when APPCLOUDFLAREISUSED is enabled, FreeScout trusts an unvalidated CF-Connecting-IP header during failed login attempts and stores the spoofed value in the activity log. LogsMonitor inserts the value into an administrato...

EUVD-2026-90440

simple-php-router through 5.4.1.7 contains an IP restriction bypass vulnerability in the IpRestrictAccess middleware that allows remote unauthenticated attackers to bypass IP whitelist and blacklist protections. Attackers can spoof X-Forwarded-For, CF-Connecting-IP, or Client-IP headers to...

CVE-2026-103592 simple-php-router through 5.4.1.7 IP restriction bypass via forwarding headers

simple-php-router through 5.4.1.7 contains an IP restriction bypass vulnerability in the IpRestrictAccess middleware that allows remote unauthenticated attackers to bypass IP whitelist and blacklist protections. Attackers can spoof X-Forwarded-For, CF-Connecting-IP, or Client-IP headers to...

CVE-2026-103592 simple-php-router through 5.4.1.7 IP restriction bypass via forwarding headers

simple-php-router through 5.4.1.7 contains an IP restriction bypass vulnerability in the IpRestrictAccess middleware that allows remote unauthenticated attackers to bypass IP whitelist and blacklist protections. Attackers can spoof X-Forwarded-For, CF-Connecting-IP, or Client-IP headers to...

CVE-2026-103592

The simple-php-router library, specifically versions through 5.4.1.7 , contains an IP restriction bypass vulnerability within the IpRestrictAccess middleware. The root cause allows remote unauthenticated attackers to bypass IP whitelist and blacklist protections by spoofing HTTP headers such as X...

PT-2026-103631

Name of the Vulnerable Software and Affected Versions simple-php-router versions prior to 5.4.1.8 Description The IpRestrictAccess middleware contains a flaw that allows remote unauthenticated attackers to bypass IP whitelist and blacklist protections. By spoofing the X-Forwarded-For,...

CVE-2026-103592: Use of Less Trusted Source

simple-php-router through 5.4.1.7 contains an IP restriction bypass vulnerability in the IpRestrictAccess middleware that allows remote unauthenticated attackers to bypass IP whitelist and blacklist protections. Attackers can spoof X-Forwarded-For, CF-Connecting-IP, or Client-IP headers to...

CVE-2026-69183

Monkeytype is a minimalistic and customizable typing test. In 26.26.0 and earlier, the backend rate-limit key generator in backend/src/middlewares/rate-limit.ts uses client-controlled cf-connecting-ip and x-forwarded-for headers before the trust-proxy-derived req.ip value. An unauthenticated...

CVE-2026-69183: Authentication Bypass by Spoofing

Monkeytype is a minimalistic and customizable typing test. In 26.26.0 and earlier, the backend rate-limit key generator in backend/src/middlewares/rate-limit.ts uses client-controlled cf-connecting-ip and x-forwarded-for headers before the trust-proxy-derived req.ip value. An unauthenticated...

CVE-2026-58488 HedgeDoc: Rate-limit bypass via CF-Connecting-IP header spoofing

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Versions prior to 1.11.0 allowed attackers to circumvent the rate-limiting of the /login and /register routes by spoofing IP addresses. HedgeDoc instances checked for CloudFlare's cf-connecting-ip header and used th...

CVE-2026-58488: Authentication Bypass by Spoofing

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Versions prior to 1.11.0 allowed attackers to circumvent the rate-limiting of the /login and /register routes by spoofing IP addresses. HedgeDoc instances checked for CloudFlare's cf-connecting-ip header and used th...