CWE-644— Improper Neutralization of HTTP Headers for Scripting Syntax
The product does not neutralize or incorrectly neutralizes web scripting syntax in HTTP headers that can be used by web browser components that can process raw headers, such as Flash.— MITRE CWE catalog
68 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-644page 1 of 2
- CVE-2023-47143CRITICALCVSS 10.0EG 10.02024-02-02
IBM Tivoli Application Dependency Discovery Manager 7.3.0.0 through 7.3.0.10 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks again…
- CVE-2025-52660CRITICALCVSS 9.8EG 9.82026-01-19
HCL AION is affected by an Unrestricted File Upload vulnerability. This can allow malicious file uploads, potentially resulting in unauthorized code execution or system compromise.
- CVE-2024-22081CRITICALCVSS 9.8EG 9.82024-03-20
An issue was discovered in Elspec G5 digital fault recorder versions 1.1.4.15 and before. Unauthenticated memory corruption can occur in the HTTP header parsing mechanism.
- CVE-2025-70948CRITICALCVSS 9.3EG 9.32026-03-05
A host header injection vulnerability in the mailer component of @perfood/couch-auth v0.26.0 allows attackers to obtain reset tokens and execute an account takeover via spoofing the HTTP Host header.
- CVE-2026-26747CRITICALCVSS 9.1EG 9.12026-02-20
A Host Header Poisoning vulnerability exists in Monica 4.1.2 due to improper handling of the HTTP Host header in app/Providers/AppServiceProvider.php, combined with the default misconfiguration where the "app.force_url" is not set and defa…
- CVE-2026-26234HIGHCVSS 8.8EG 8.82026-02-12
JUNG Smart Visu Server 1.1.1050 contains a request header manipulation vulnerability that allows unauthenticated attackers to override request URLs by injecting arbitrary values in the X-Forwarded-Host header. Attackers can manipulate prox…
- CVE-2023-32465HIGHCVSS 8.8EG 8.82023-06-14
Dell Power Protect Cyber Recovery, contains an Authentication Bypass vulnerability. An attacker could potentially exploit this vulnerability, leading to unauthorized admin access to the Cyber Recovery application. Exploitation may lead to…
- CVE-2020-6982HIGHCVSS 8.8EG 8.82020-03-24
In Honeywell WIN-PAK 4.7.2, Web and prior versions, the header injection vulnerability has been identified, which may allow remote code execution.
- CVE-2017-6031HIGHCVSS 8.8EG 8.82017-05-06
A Header Injection issue was discovered in Certec EDV GmbH atvise scada prior to Version 3.0. An "improper neutralization of HTTP headers for scripting syntax" issue has been identified, which may allow remote code execution.
- CVE-2026-33805HIGHCVSS 8.6EG 8.62026-04-15
@fastify/reply-from v12.6.1 and earlier and @fastify/http-proxy v11.4.3 and earlier process the client's Connection header after the proxy has added its own headers via rewriteRequestHeaders. This allows attackers to retroactively strip pr…
- CVE-2025-64484HIGHCVSS 8.5EG 8.52025-11-10
OAuth2-Proxy is an open-source tool that can act as either a standalone reverse proxy or a middleware component integrated into existing reverse proxy or load balancer setups. In versions prior to 7.13.0, all deployments of OAuth2 Proxy in…
- CVE-2024-10006HIGHCVSS 8.3EG 8.32024-10-30
A vulnerability was identified in Consul and Consul Enterprise (“Consul”) such that using Headers in L7 traffic intentions could bypass HTTP header based access rules.
- CVE-2026-48126HIGHCVSS 8.2EG 8.22026-05-26
Algernon is a small self-contained pure-Go web server. Prior to 1.17.8, when algernon is started with --domain (or --letsencrypt, which silently turns on --domain at engine/flags.go:372), the request handler resolves the served directory b…
- CVE-2026-33149HIGHCVSS 8.1EG 8.12026-03-26
Tandoor Recipes is an application for managing recipes, planning meals, and building shopping lists. Versions up to and including 2.5.3 set ALLOWED_HOSTS = '*' by default, which causes Django to accept any value in the HTTP Host header wit…
- CVE-2025-64425HIGHCVSS 8.1EG 8.12026-01-05
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. In Coolify versions up to and including v4.0.0-beta.434, an attacker can initiate a password reset for a victim, and modify the host header…
- CVE-2026-67179HIGHCVSS 7.8EG 7.82026-08-11
Genkit does not properly validate host request headers. Any host on the developer's network, and any website the developer visits (via DNS rebinding), can reach POST /api/runAction on the Dev UI server (default port 4000) and execute any r…
- CVE-2026-69183HIGHCVSS 7.5EG 7.52026-08-20
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…
- CVE-2024-1064HIGHCVSS 7.5EG 7.52024-02-03
A host header injection vulnerability in the HTTP handler component of Crafty Controller allows a remote, unauthenticated attacker to trigger a Denial of Service (DoS) condition via a modified host header
- CVE-2024-47549HIGHCVSS 7.4EG 7.42024-10-25
Sharp and Toshiba Tec MFPs improperly process query parameters in HTTP requests, which may allow contamination of unintended data to HTTP response headers. Accessing a crafted URL which points to an affected product may cause malicious sc…
- CVE-2025-13803HIGHCVSS 7.3EG 7.32025-12-01
A vulnerability was identified in MediaCrush 1.0.0/1.0.1. The affected element is an unknown function of the file /mediacrush/paths.py of the component Header Handler. Such manipulation of the argument Host leads to improper neutralization…
- CVE-2023-36921HIGHCVSS 7.2EG 7.22023-07-11
SAP Solution Manager (Diagnostics agent) - version 7.20, allows an attacker to tamper with headers in a client request. This misleads SAP Diagnostics Agent to serve poisoned content to the server. On successful exploitation, the attacker c…
- CVE-2026-55791MEDIUMCVSS 6.9EG 6.92026-06-19
Craft CMS is a content management system (CMS). Versions 4.0.0-RC1 and above, prior to 4.18.0 and 5.0.0-RC1, and above, prior to 5.10.0, are vulnerable to Server-Side Request Forgery (SSRF) and Arbitrary JavaScript Injection through the /a…
- CVE-2021-21265MEDIUMCVSS 6.8EG 6.82021-03-10
October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October before version 1.1.2, when running on poorly configured servers (i.e. the server routes any request, regardless of the HOST header to a…
- CVE-2026-0516MEDIUMCVSS 6.5EG 6.52026-08-05
A improper neutralization of HTTP Headers for Scripting Syntax vulnerability in SonicOS could allow a remote attacker to manipulate the Host header and redirect firewall management users to arbitrary web domains.
- CVE-2025-14807MEDIUMCVSS 6.5EG 6.52026-03-25
IBM InfoSphere Information Server 11.7.0.0 through 11.7.1.6 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable…
- CVE-2025-27901MEDIUMCVSS 6.5EG 6.52026-02-17
IBM DB2 Recovery Expert for LUW 5.5 Interim Fix 002 IBM Db2 Recovery Expert for Linux, UNIX and Windows is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to c…
- CVE-2024-51451MEDIUMCVSS 6.5EG 6.52026-02-04
IBM Concert 1.0.0 through 2.1.0 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-sit…
- CVE-2024-39736MEDIUMCVSS 6.5EG 6.52024-07-15
IBM Datacap Navigator 9.1.5, 9.1.6, 9.1.7, 9.1.8, and 9.1.9 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable …
- CVE-2024-51454MEDIUMCVSS 6.1EG 6.52026-06-22
IBM Engineering Workflow Management 7.0.2 through 7.0.2 Interim Fix 035, 7.0.3 through 7.0.3 Interim Fix 017, and 7.1 through 7.1 Interim Fix 004 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST he…
- CVE-2026-4096MEDIUMCVSS 6.1EG 6.52026-06-11
IBM DevOps Plan 3.0.0 through 3.0.6 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-…
- CVE-2026-72574MEDIUMCVSS 6.1EG 6.12026-08-10
A host header injection vulnerability in picocms/Pico through 2.1.4 allows an unauthenticated remote attacker to control the origin of JavaScript and CSS assets loaded by the default theme. When base_url is unset (the default), Pico::getBa…
- CVE-2026-1698MEDIUMCVSS 6.1EG 6.12026-02-26
A HTTP Host header attack vulnerability affects WebClient and the WebScheduler web apps of PcVue in version 15.0.0 through 16.3.3 included, allowing a remote attacker to inject harmful payloads that manipulate server-side behavior. This v…
- CVE-2025-67724MEDIUMCVSS 6.1EG 6.12025-12-12
Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP headers (where it could be used for header injection) or in HTML in the default error …
- CVE-2025-63828MEDIUMCVSS 6.1EG 6.12025-11-18
Host Header Injection vulnerability in Backdrop CMS 1.32.1 allows attackers to manipulate the Host header in password reset requests, leading to redirects to malicious domains and potential session hijacking via cookie injection.
- CVE-2025-52647MEDIUMCVSS 6.1EG 6.12025-10-10
The BigFix WebUI application responds with HOST information from the HTTP header field making it vulnerable to Host Header Poisoning Attacks.
- CVE-2025-40631MEDIUMCVSS 6.1EG 6.12025-05-16
HTTP host header injection vulnerability in Icewarp Mail Server affecting version 11.4.0. By modifying the Host header and adding a payload, arbitrary JavaScript code can be executed on page load. The user must interact with a malicious li…
- CVE-2025-27632MEDIUMCVSS 6.1EG 6.12025-03-25
A Host Header Injection vulnerability in TRMTracker application may allow an attacker by modifying the host header value in an HTTP request to leverage multiple attack vectors, including defacing the site content through web-cache poisonin…
- CVE-2025-23001MEDIUMCVSS 6.1EG 6.12025-01-31
A Host header injection vulnerability exists in CTFd 3.7.5, due to the application failing to properly validate or sanitize the Host header. An attacker can manipulate the Host header in HTTP requests, which may lead to phishing attacks, r…
- CVE-2021-20784MEDIUMCVSS 6.1EG 6.12021-07-14
HTTP header injection vulnerability in Everything version 1.0, 1.1, and 1.2 except the Lite version may allow a remote attacker to inject an arbitrary script or alter the website that uses the product.
- CVE-2022-45102MEDIUMCVSS 5.4EG 6.12023-02-01
Dell EMC Data Protection Central, versions 19.1 through 19.7, contains a Host Header Injection vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by injecting arbitrary \u2018Host\u2019 header valu…
- CVE-2026-48061MEDIUMCVSS 5.9EG 5.92026-06-10
Litestar is an Asynchronous Server Gateway Interface (ASGI) framework. In versions prior to 2.22.0, an attacker can bypass the allowed hosts validation by omitting the Host header and supplying an X-Forwarded-Host header set to a whitelist…
- CVE-2026-54477MEDIUMCVSS 5.4EG 5.42026-07-03
The admin panel lacks standard security headers, enabling clickjacking and cross-site scripting attacks.
- CVE-2025-66485MEDIUMCVSS 5.4EG 5.42026-04-01
IBM Aspera Shares 1.9.9 through 1.11.0 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including c…
- CVE-2025-13213MEDIUMCVSS 5.4EG 5.42026-03-10
IBM Aspera Orchestrator 3.0.0 through 4.1.2 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, includi…
- CVE-2025-36227MEDIUMCVSS 5.4EG 5.42026-03-10
IBM Aspera Faspex 5 5.0.0 through 5.0.14.3 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, includi…
- CVE-2025-36223MEDIUMCVSS 5.4EG 5.42025-11-12
IBM OpenPages 9.0 and 9.1 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scrip…
- CVE-2024-40686MEDIUMCVSS 5.4EG 5.42025-07-23
IBM SmartCloud Analytics - Log Analysis 1.3.7.0, 1.3.7.1, 1.3.7.2, 1.3.8.0, 1.3.8.1, and 1.3.8.2 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct va…
- CVE-2025-2950MEDIUMCVSS 5.4EG 5.42025-04-18
IBM i 7.3, 7.4, 7.5, and 7.5 is vulnerable to a host header injection attack caused by improper neutralization of HTTP header content by IBM Navigator for i. An authenticated user can manipulate the host header in HTTP requests to change d…
- CVE-2022-43847MEDIUMCVSS 5.4EG 5.42025-04-14
IBM Aspera Console 3.4.0 through 3.4.4 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including c…
- CVE-2023-35894MEDIUMCVSS 5.4EG 5.42025-03-07
IBM Control Center 6.2.1 through 6.3.1 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cro…
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