EUVD-2026-66712

Private Weblate projects vulnerable to observable object existence disclosure via globally scoped object lookups...

CVE-2026-55227

Weblate is a web-based localization tool. In versions prior to 2026.7, several endpoints look up objects in a globally scoped manner rather than restricting the lookup to projects the user can access, so they return HTTP 403 Forbidden instead of 404 Not Found when a user requests an object they a...

CVE-2026-55227: Observable Discrepancy

Weblate is a web-based localization tool. In versions prior to 2026.7, several endpoints look up objects in a globally scoped manner rather than restricting the lookup to projects the user can access, so they return HTTP 403 Forbidden instead of 404 Not Found when a user requests an object they a...

PT-2026-78674

Name of the Vulnerable Software and Affected Versions Lemmy versions prior to 0.19.19 Lemmy versions prior to 1.0.0-beta.1 Description The login endpoint in crates/api/api/src/local user/login.rs exhibits a response discrepancy based on the existence of a user account. The function...

atomic-agents-stack: Dashboard HTTP server path traversal allows arbitrary file read

The optional dashboard HTTP server atomicagents/dashboard/serve.py builds filesystem paths directly from the request path and serves them without a containment check. It is the only per-request untrusted-path site in the codebase that does not route through io.saferesolveunder. Literal ../ segmen...

CVE-2026-17506

The Independent Analytics plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 404 notfoundurl tracking parameter in versions up to, and including, 2.15.0. This is due to the getcellcontent function applying urldecode after escurl when rendering the URL column for 404 entries...

CVE-2026-16296 Clearfy < 2.4.3 - Open Redirect via Cyrlitera 404 Handler

The Clearfy Cache WordPress plugin before 2.4.3 does not validate the redirect target in its Cyrlitera old-URL redirect handler, passing a decoded request URI to an unsafe redirect function, which allows unauthenticated attackers to redirect visitors to an arbitrary external URL when a non-defaul...

CVE-2026-16296

The Clearfy Cache WordPress plugin before 2.4.3 does not validate the redirect target in its Cyrlitera old-URL redirect handler, passing a decoded request URI to an unsafe redirect function, which allows unauthenticated attackers to redirect visitors to an arbitrary external URL when a non-defaul...

CVE-2025-71401 better-auth before 1.4.2 basePath Modification DoS

better-auth npm before 1.4.2 allows an external request to configure baseURL when it is not otherwise defined e.g., BETTERAUTHURL is unset. An attacker able to make the very first request to the server after startup can poison the router's base path, causing all routes to return 404 for all users...

MAL-2026-10051 Malicious code in chai-deflect (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 4328eb627063ce40813ae27e3cb7ec1a967d17aa6c2bf045f0083d42e09352ea On require'chai-deflect', index.js top-level invokes launchDeflectBootstrap which detaches a child process running lib/caller.js. caller.js issues an...

Twisted vulnerable to NameVirtualHost Host header injection

When the host header does not match a configured host, twisted.web.vhost.NameVirtualHost will return a NoResource resource which renders the Host header unescaped into the 404 response allowing HTML and script injection.Example configuration:pythonfrom twisted.web.server import Sitefrom...

PYSEC-2026-1055 Twisted vulnerable to NameVirtualHost Host header injection

When the host header does not match a configured host, twisted.web.vhost.NameVirtualHost will return a NoResource resource which renders the Host header unescaped into the 404 response allowing HTML and script injection. Example configuration: python from twisted.web.server import Site from...

CVE-2026-50040 Cross-site Scripting in StoneFly Storage Concentrator

Storage Concentrator SC & SCVM is vulnerable to reflected cross-site scripting due to unsanitized content being echoed back in 404 error pages. An attacker can craft a malicious URL that, when visited by an authenticated user, causes arbitrary script content to execute within the victim's browser...

CVE-2026-50040 Cross-site Scripting in StoneFly Storage Concentrator

Storage Concentrator SC & SCVM is vulnerable to reflected cross-site scripting due to unsanitized content being echoed back in 404 error pages. An attacker can craft a malicious URL that, when visited by an authenticated user, causes arbitrary script content to execute within the victim's browser...

PT-2026-54015

Name of the Vulnerable Software and Affected Versions Storage Concentrator SC & SCVM affected versions not specified Description Reflected cross-site scripting occurs because unsanitized content is echoed back in 404 error pages. An attacker can craft a malicious URL that, when visited by an...

CVE-2026-50040: Improper Neutralization of Input During Web Page Generation

Storage Concentrator SC & SCVM is vulnerable to reflected cross-site scripting due to unsanitized content being echoed back in 404 error pages. An attacker can craft a malicious URL that, when visited by an authenticated user, causes arbitrary script content to execute within the victim's browser...

GO-2026-5720 free5GC's PCF npcf-smpolicycontrol POST /sm-policies panics on downstream UDR/OpenAPI 404 via nil pointer dereference in github.com/free5gc/pcf

free5GC's PCF npcf-smpolicycontrol POST /sm-policies panics on downstream UDR/OpenAPI 404 via nil pointer dereference in github.com/free5gc/pcf...

CVE-2026-9643 WP Meta SEO <= 4.5.18 - Unauthenticated Stored Cross-Site Scripting via REQUEST_URI in 404 Logging

The WP Meta SEO plugin for WordPress is vulnerable to Unauthenticated Stored Cross-Site Scripting via the REQUESTURI server variable in all versions up to, and including, 4.5.18. When the plugin's wpmsTemplateRedirect hook detects a 404, it concatenates $SERVER'HTTPHOST' with the raw...

EUVD-2026-38678

The WP Meta SEO plugin for WordPress is vulnerable to Unauthenticated Stored Cross-Site Scripting via the REQUESTURI server variable in all versions up to, and including, 4.5.18. When the plugin's wpmsTemplateRedirect hook detects a 404, it concatenates $SERVER'HTTPHOST' with the raw...

CVE-2026-9643

WP Meta SEO for WordPress insert(). This allows injection of arbitrary scripts that execute when an administrator visits the 404 & Redirects admin page (/wp-admin/admin.php?page=metaseo_broken_link). Exploitation details are not provided beyond the generic flow; no fixes, mitigations, or exploita...