CVE-2026-22245 Mastodon has SSRF Protection bypass

Mastodon is a free, open-source social network server based on ActivityPub. By nature, Mastodon performs a lot of outbound requests to user-provided domains. Mastodon, however, has some protection mechanism to disallow requests to local IP addresses unless specified in ALLOWEDPRIVATEADDRESSES to...

CVE-2026-22245 Mastodon has SSRF Protection bypass

Mastodon is a free, open-source social network server based on ActivityPub. By nature, Mastodon performs a lot of outbound requests to user-provided domains. Mastodon, however, has some protection mechanism to disallow requests to local IP addresses unless specified in ALLOWEDPRIVATEADDRESSES to...

GHSA-HHH5-2CVX-VMFP Portkey.ai Gateway: Server-Side Request Forgery (SSRF) in Custom Host

Summary The gateway determines the destination baseURL by prioritizing the value in the x-portkey-custom-host request header. The proxy route then appends the client-specified path to perform an external fetch. This can be maliciously used by users for SSRF CWE-918 attack Impact This vulnerabilit...

EUVD-2023-34213

Malicious code in bioql PyPI...

PT-2025-5337 · Imgproxy +1 · Imgproxy +1

Name of the Vulnerable Software and Affected Versions: imgproxy versions prior to 3.27.2 Description: The issue concerns imgproxy, a server for resizing, processing, and converting images. It does not block the 0.0.0.0 address, even when IMGPROXY ALLOW LOOPBACK SOURCE ADDRESSES is set to false...

UBUNTU-CVE-2024-24790

The various Is methods IsPrivate, IsLoopback, etc did not work as expected for IPv4-mapped IPv6 addresses, returning false for addresses which would return true in their traditional IPv4 forms...

CVE-2023-7060 Missing Security Control in Zephyr OS IP Packet Handling

Zephyr OS IP packet handling does not properly drop IP packets arriving on an external interface with a source address equal to 127.0.01 or the destination address...

Zephyr Security Breach

Zephyr is an extensible real-time operating system RTOS open-sourced by the Zephyr Project. A security vulnerability exists in Zephyr that stems from the inability to properly drop IP packets arriving at an external interface at source address 127.0.01 or destination address...

CVE-2023-22817

Server-side request forgery SSRF vulnerability that could allow a rogue server on the local network to modify its URL using another DNS address to point back to the loopback adapter. This could then allow the URL to exploit other vulnerabilities on the local server. This was addressed by fixing D...

CVE-2023-33176

BigBlueButton is an open source virtual classroom designed to help teachers teach and learners learn. In affected versions are affected by a Server-Side Request Forgery SSRF vulnerability. In an insertDocument API request the user is able to supply a URL from which the presentation should be...

SUSE CVE-2020-26262

Coturn is free open source implementation of TURN and STUN Server. Coturn before version 4.5.2 by default does not allow peers to connect and relay packets to loopback addresses in the range of 127.x.x.x. However, it was observed that when sending a CONNECT request with the XOR-PEER-ADDRESS value...

CVE-2020-26262

Coturn is free open source implementation of TURN and STUN Server. Coturn before version 4.5.2 by default does not allow peers to connect and relay packets to loopback addresses in the range of 127.x.x.x. However, it was observed that when sending a CONNECT request with the XOR-PEER-ADDRESS value...

PT-2021-19656 · Solarwinds · Solarwinds Web Help Desk

Name of the Vulnerable Software and Affected Versions: SolarWinds Web Help Desk version 12.7.2 Description: A security issue was discovered, allowing access restriction bypass via referrer spoof. An attacker can access the "Web Help Desk Getting Started Wizard", specifically the admin account...

PT-2021-4479 · Restund · Restund

Name of the Vulnerable Software and Affected Versions: Restund affected versions not specified Description: The issue is related to the Restund TURN server, which can be instructed to open a relay to the loopback address range, potentially exposing private services running on localhost. An attack...

Restund 安全漏洞

Restund is an open source network traversal server. A security vulnerability exists in Restund that stems from Restund is an open source NAT traversal server that can be instructed to return a TURN server to open a relay to a range of loopback addresses, which allows you to access any other servi...

CVE-2020-26262

Coturn is free open source implementation of TURN and STUN Server. Coturn before version 4.5.2 by default does not allow peers to connect and relay packets to loopback addresses in the range of 127.x.x.x. However, it was observed that when sending a CONNECT request with the XOR-PEER-ADDRESS value...

Design/Logic Flaw

Coturn is free open source implementation of TURN and STUN Server. Coturn before version 4.5.2 by default does not allow peers to connect and relay packets to loopback addresses in the range of 127.x.x.x. However, it was observed that when sending a CONNECT request with the XOR-PEER-ADDRESS value...

CVE-2020-26262

Coturn is free open source implementation of TURN and STUN Server. Coturn before version 4.5.2 by default does not allow peers to connect and relay packets to loopback addresses in the range of 127.x.x.x. However, it was observed that when sending a CONNECT request with the XOR-PEER-ADDRESS value...

CVE-2020-26262

Technical details about CVE-2020-26262 are not publicly provided in the supplied documents; no affected versions or fixes are confirmed here. Monitor for updates from official advisories.

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : coTURN vulnerability (USN-4690-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4690-1 advisory. It was discovered that coTURN allowed peers to connect and relay packets to loopback addresses in the range of 127.x.x.x. A malicious user...