CWE-350
Reliance on Reverse DNS Resolution for a Security-Critical Action
Description
The product performs reverse DNS resolution on an IP address to obtain the hostname and make a security decision, but it does not properly ensure that the IP address is truly associated with the hostname.
Hierarchy (View 1000)
Related attack patterns (CAPEC)
CAPEC-142 · CAPEC-275 · CAPEC-73 · CAPEC-89
CVEs mapped to this weakness (41)
page 1 of 3| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-57123 | Cri | 0.57 | 9.8 | 0.01 | Sep 14, 2026 | PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.59, ToolsMCPServer.run_sse and launch_tools_mcp_server bind to 0.0.0.0 and create /sse and /messages/ routes without invoking the available SecurityConfig authentication, origin-validation, or DNS-rebinding… | ||
| CVE-2026-1490 | Cri | 0.57 | 9.8 | 0.01 | Feb 15, 2026 | The Spam protection, Anti-Spam, FireWall by CleanTalk plugin for WordPress is vulnerable to unauthorized Arbitrary Plugin Installation due to an authorization bypass via reverse DNS (PTR record) spoofing on the 'checkWithoutToken' function in all versions up to, and including,… | ||
| CVE-2023-52235 | Hig | 0.57 | 8.8 | 0.01 | Apr 5, 2024 | SpaceX Starlink Wi-Fi router GEN 2 before 2023.53.0 and Starlink Dish before 07dd2798-ff15-4722-a9ee-de28928aed34 allow CSRF (e.g., for a reboot) via a DNS Rebinding attack. | ||
| CVE-2026-61568 | Cri | 0.55 | 9.6 | 0.01 | Sep 15, 2026 | `@zereight/mcp-gitlab` is a Model Context Protocol server for GitLab. Versions prior to 2.1.30 expose the Streamable HTTP MCP endpoint without an effective Host or Origin allowlist. A malicious web page can use DNS rebinding to route browser requests to a victim's local MCP… | ||
| CVE-2024-24759 | Cri | 0.54 | 9.3 | 0.05 | Sep 5, 2024 | MindsDB is a platform for building artificial intelligence from enterprise data. Prior to version 23.12.4.2, a threat actor can bypass the server-side request forgery protection on the whole website with DNS Rebinding. The vulnerability can also lead to denial of service.… | ||
| CVE-2025-8036 | Hig | 0.53 | 8.1 | 0.00 | Jul 22, 2025 | Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1. | ||
| CVE-2021-22884 | Hig | 0.51 | 7.5 | 0.32 | Mar 3, 2021 | Node.js before 10.24.0, 12.21.0, 14.16.0, and 15.10.0 is vulnerable to DNS rebinding attacks as the whitelist includes “localhost6”. When “localhost6” is not present in /etc/hosts, it is just an ordinary domain that is resolved via DNS, i.e., over network. If the… | ||
| CVE-2018-7160 | Hig | 0.51 | 8.8 | 0.10 | May 17, 2018 | The Node.js inspector, in 6.x and later is vulnerable to a DNS rebinding attack which could be exploited to perform remote code execution. An attack is possible from malicious websites open in a web browser on the same computer, or another computer with network access to the… | ||
| CVE-2026-42559 | Hig | 0.50 | 8.8 | 0.00 | May 14, 2026 | RMCP is an official Rust SDK for the Model Context Protocol. Prior to version 1.4.0, the rmcp crate's Streamable HTTP server transport (crates/rmcp/src/transport/streamable_http_server/) did not validate the incoming Host header. This allowed a malicious public website, via a… | ||
| CVE-2026-56709 | Hig | 0.49 | 7.5 | 0.00 | Aug 25, 2026 | Grav before 3.9.2 fails to validate untrusted Host headers in the sendInvitationEmail() function when constructing token-bearing invitation links. Attackers can manipulate the Host header to poison invitation links and redirect users to attacker-controlled domains, bypassing the… | ||
| CVE-2021-34561 | Hig | 0.49 | 7.5 | 0.01 | Aug 31, 2021 | In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.8 serious issue exists, if the application is not externally accessible or uses IP-based access restrictions. Attackers can use DNS Rebinding to bypass any IP or firewall based access restrictions that may be in place, by proxying… | ||
| CVE-2026-55526 | — | Hig | 0.48 | 8.5 | 0.00 | Aug 25, 2026 | PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.58, spider_tools._host_is_blocked() does not resolve ordinary hostnames before scrape_page fetches them. A hostname such as 127.0.0.1.nip.io passes validation and resolves to loopback, permitting internal HTTP… | |
| CVE-2025-66416 | Hig | 0.46 | 8.1 | 0.01 | Dec 2, 2025 | The MCP Python SDK, called `mcp` on PyPI, is a Python implementation of the Model Context Protocol (MCP). Prior to version 1.23.0, tThe Model Context Protocol (MCP) Python SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP… | ||
| CVE-2025-66414 | Hig | 0.46 | 8.1 | 0.01 | Dec 2, 2025 | MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. Prior to 1.24.0, The Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP server is run on… | ||
| CVE-2017-0902 | Hig | 0.46 | 8.1 | 0.05 | Aug 31, 2017 | RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls. | ||
| CVE-2026-55391 | Hig | 0.42 | 7.5 | 0.00 | Jul 28, 2026 | datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON, YAML, or CSV. Prior to 0.63.0, datamodel-code-generator validates a URL host once in… | ||
| CVE-2026-36604 | Med | 0.42 | 6.5 | 0.00 | Jun 3, 2026 | Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 does not validate the HTTP Host header, enabling DNS rebinding attacks. An external attacker can rebind a domain to the router's internal IP address, extending the CORS wildcard vulnerability… | ||
| CVE-2026-33002 | Hig | 0.42 | 7.5 | 0.00 | Mar 18, 2026 | Jenkins 2.442 through 2.554 (both inclusive), LTS 2.426.3 through LTS 2.541.2 (both inclusive) performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers,… | ||
| CVE-2026-28271 | Med | 0.42 | 6.5 | 0.01 | Feb 27, 2026 | Kiteworks is a private data network (PDN). Prior to version 9.2.0, a vulnerability in Kiteworks configuration functionality allows bypassing of SSRF protections through DNS rebinding attacks. Malicious administrators could exploit this to access internal services that should be… | ||
| CVE-2025-61430 | Med | 0.42 | 6.5 | 0.00 | Oct 24, 2025 | Improper handling of DNS over TCP in Simple DNS Plus v9 allows a remote attacker with querying access to the DNS server to cause the server to return request payloads from other clients. This happens when the TCP length prefix is malformed (len differs from actual packet len),… |
- risk 0.57cvss 9.8epss 0.01
PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.59, ToolsMCPServer.run_sse and launch_tools_mcp_server bind to 0.0.0.0 and create /sse and /messages/ routes without invoking the available SecurityConfig authentication, origin-validation, or DNS-rebinding…
- risk 0.57cvss 9.8epss 0.01
The Spam protection, Anti-Spam, FireWall by CleanTalk plugin for WordPress is vulnerable to unauthorized Arbitrary Plugin Installation due to an authorization bypass via reverse DNS (PTR record) spoofing on the 'checkWithoutToken' function in all versions up to, and including,…
- risk 0.57cvss 8.8epss 0.01
SpaceX Starlink Wi-Fi router GEN 2 before 2023.53.0 and Starlink Dish before 07dd2798-ff15-4722-a9ee-de28928aed34 allow CSRF (e.g., for a reboot) via a DNS Rebinding attack.
- risk 0.55cvss 9.6epss 0.01
`@zereight/mcp-gitlab` is a Model Context Protocol server for GitLab. Versions prior to 2.1.30 expose the Streamable HTTP MCP endpoint without an effective Host or Origin allowlist. A malicious web page can use DNS rebinding to route browser requests to a victim's local MCP…
- risk 0.54cvss 9.3epss 0.05
MindsDB is a platform for building artificial intelligence from enterprise data. Prior to version 23.12.4.2, a threat actor can bypass the server-side request forgery protection on the whole website with DNS Rebinding. The vulnerability can also lead to denial of service.…
- risk 0.53cvss 8.1epss 0.00
Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.
- risk 0.51cvss 7.5epss 0.32
Node.js before 10.24.0, 12.21.0, 14.16.0, and 15.10.0 is vulnerable to DNS rebinding attacks as the whitelist includes “localhost6”. When “localhost6” is not present in /etc/hosts, it is just an ordinary domain that is resolved via DNS, i.e., over network. If the…
- risk 0.51cvss 8.8epss 0.10
The Node.js inspector, in 6.x and later is vulnerable to a DNS rebinding attack which could be exploited to perform remote code execution. An attack is possible from malicious websites open in a web browser on the same computer, or another computer with network access to the…
- risk 0.50cvss 8.8epss 0.00
RMCP is an official Rust SDK for the Model Context Protocol. Prior to version 1.4.0, the rmcp crate's Streamable HTTP server transport (crates/rmcp/src/transport/streamable_http_server/) did not validate the incoming Host header. This allowed a malicious public website, via a…
- risk 0.49cvss 7.5epss 0.00
Grav before 3.9.2 fails to validate untrusted Host headers in the sendInvitationEmail() function when constructing token-bearing invitation links. Attackers can manipulate the Host header to poison invitation links and redirect users to attacker-controlled domains, bypassing the…
- risk 0.49cvss 7.5epss 0.01
In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.8 serious issue exists, if the application is not externally accessible or uses IP-based access restrictions. Attackers can use DNS Rebinding to bypass any IP or firewall based access restrictions that may be in place, by proxying…
- risk 0.48cvss 8.5epss 0.00
PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.58, spider_tools._host_is_blocked() does not resolve ordinary hostnames before scrape_page fetches them. A hostname such as 127.0.0.1.nip.io passes validation and resolves to loopback, permitting internal HTTP…
- risk 0.46cvss 8.1epss 0.01
The MCP Python SDK, called `mcp` on PyPI, is a Python implementation of the Model Context Protocol (MCP). Prior to version 1.23.0, tThe Model Context Protocol (MCP) Python SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP…
- risk 0.46cvss 8.1epss 0.01
MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. Prior to 1.24.0, The Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP server is run on…
- risk 0.46cvss 8.1epss 0.05
RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls.
- risk 0.42cvss 7.5epss 0.00
datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON, YAML, or CSV. Prior to 0.63.0, datamodel-code-generator validates a URL host once in…
- risk 0.42cvss 6.5epss 0.00
Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 does not validate the HTTP Host header, enabling DNS rebinding attacks. An external attacker can rebind a domain to the router's internal IP address, extending the CORS wildcard vulnerability…
- risk 0.42cvss 7.5epss 0.00
Jenkins 2.442 through 2.554 (both inclusive), LTS 2.426.3 through LTS 2.541.2 (both inclusive) performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers,…
- risk 0.42cvss 6.5epss 0.01
Kiteworks is a private data network (PDN). Prior to version 9.2.0, a vulnerability in Kiteworks configuration functionality allows bypassing of SSRF protections through DNS rebinding attacks. Malicious administrators could exploit this to access internal services that should be…
- risk 0.42cvss 6.5epss 0.00
Improper handling of DNS over TCP in Simple DNS Plus v9 allows a remote attacker with querying access to the DNS server to cause the server to return request payloads from other clients. This happens when the TCP length prefix is malformed (len differs from actual packet len),…