CVE-2026-33868

Mastodon is affected by an unauthenticated Open Redirect (CWE-601) in the /web/* route prior to versions 4.5.8, 4.4.15, and 4.3.21. The root cause is improper handling of URL-encoded path segments, where encoded slashes (%2F) bypass Rails path normalization and are treated as host-relative redire...

CVE-2026-33868

Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.5.8, 4.4.15, and 4.3.21, an unauthenticated Open Redirect vulnerability CWE-601 exists in the /web/ route due to improper handling of URL-encoded path segments. An attacker can craft a specially encode...

CVE-2026-33868 Mastodon has a GET-Based Open Redirect via '/web/%2F<domain>'

Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.5.8, 4.4.15, and 4.3.21, an unauthenticated Open Redirect vulnerability CWE-601 exists in the /web/ route due to improper handling of URL-encoded path segments. An attacker can craft a specially encode...

CVE-2026-31951 LibreChat's MCP Server Header Injection Enables OAuth Token Theft

LibreChat is a ChatGPT clone with additional features. In versions 0.8.2-rc1 through 0.8.3-rc1, user-created MCP Model Context Protocol servers can include arbitrary HTTP headers that undergo credential placeholder substitution. An attacker can create a malicious MCP server with headers containin...

CVE-2026-31951

Vulnerability summary : LibreChat’s MCP server feature (versions 0.8.2-rc1 to 0.8.3-rc1) allows arbitrary HTTP headers that undergo credential placeholder substitution. An attacker can host a malicious MCP server with headers like {{LIBRECHAT_OPENID_ACCESS_TOKEN}} to exfiltrate victims’ OAuth tok...

CVE-2026-31951 LibreChat's MCP Server Header Injection Enables OAuth Token Theft

LibreChat is a ChatGPT clone with additional features. In versions 0.8.2-rc1 through 0.8.3-rc1, user-created MCP Model Context Protocol servers can include arbitrary HTTP headers that undergo credential placeholder substitution. An attacker can create a malicious MCP server with headers containin...

CVE-2026-29180

Fleet is open source device management software. Prior to 4.81.1, a broken access control vulnerability in Fleet's host transfer API allows a team maintainer to transfer hosts from any team into their own team, bypassing team isolation boundaries. Once transferred, the attacker gains full control...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the /api/v1/files/images/flowid/filename endpoint, which serves SVG files with the image/svg+xml content type without sanitizing their content. An attacker can execute arbitrary JavaScript in the context of...

CVE-2025-55273

HCL Aftermarket DPC is affected by Cross Domain Script Include vulnerability where an attacker using external scripts can tamper with the DOM, altering the content or behavior of the application. Malicious scripts can steal cookies or session tokens, leading to session hijacking...

EUVD-2026-16666

The '/api/v1/files/images/flowid/filename' endpoint serves SVG files with the 'image/svg+xml' content type without sanitizing their content. Since SVG files can contain embedded JavaScript, an attacker can upload a malicious SVG that executes arbitrary JavaScript when viewed by other users, leadi...

EUVD-2026-16632

The Twilio integration webhook handler accepts any POST request without validating Twilio's 'X-Twilio-Signature'. When processing media messages, it fetches user-controlled URLs 'MediaUrlN' parameters using HTTP requests that include the integration's Twilio credentials in the 'Authorization'...

EUVD-2026-16608

ByteDance Deer-Flow versions prior to commit 5dbb362 contain a stored cross-site scripting vulnerability in the artifacts API that allows attackers to execute arbitrary scripts by uploading malicious HTML or script content as artifacts. Attackers can store malicious content that executes in the...

CVE-2026-33764

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the AI plugin's save.json.php endpoint loads AI response objects using an attacker-controlled $REQUEST'id' parameter without validating that the AI response belongs to the specified video. An authenticated user wi...

CVE-2026-5026 Langflow - Stored XSS via Malicious SVG Upload

The '/api/v1/files/images/flowid/filename' endpoint serves SVG files with the 'image/svg+xml' content type without sanitizing their content. Since SVG files can contain embedded JavaScript, an attacker can upload a malicious SVG that executes arbitrary JavaScript when viewed by other users, leadi...

CVE-2026-5026

LangFlow exposes stored XSS via SVG uploads: the endpoint /api/v1/files/images/{flow_id}/{file_name} serves SVGs as image/svg+xml without sanitization, allowing embedded JavaScript to run when viewed by users and potentially exfiltrate cookies/JWTs. The vulnerability stems from unsanitized SVG co...

CVE-2026-5010 Reflected Cross-Site Scripting (XSS) in Sanoma’s Clickedu

A reflected Cross-Site Scripting XSS vulnerability has been discovered in Clickedu. This vulnerability allows an attacker to execute JavaScript code in the victim’s browser by sending them a malicious URL using the endpoint “/user.php/”. This vulnerability can be exploited to steal sensitive user...

CVE-2026-5010

A reflected Cross-Site Scripting XSS vulnerability has been discovered in Clickedu. This vulnerability allows an attacker to execute JavaScript code in the victim’s browser by sending them a malicious URL using the endpoint “/user.php/”. This vulnerability can be exploited to steal sensitive user...

CVE-2026-5010 Reflected Cross-Site Scripting (XSS) in Sanoma’s Clickedu

A reflected Cross-Site Scripting XSS vulnerability has been discovered in Clickedu. This vulnerability allows an attacker to execute JavaScript code in the victim’s browser by sending them a malicious URL using the endpoint “/user.php/”. This vulnerability can be exploited to steal sensitive user...

CVE-2026-33764 AVideo: IDOR in AI Plugin Allows Stealing Other Users' AI-Generated Metadata and Transcriptions

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the AI plugin's save.json.php endpoint loads AI response objects using an attacker-controlled $REQUEST'id' parameter without validating that the AI response belongs to the specified video. An authenticated user wi...

CVE-2026-33764 AVideo: IDOR in AI Plugin Allows Stealing Other Users' AI-Generated Metadata and Transcriptions

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the AI plugin's save.json.php endpoint loads AI response objects using an attacker-controlled $REQUEST'id' parameter without validating that the AI response belongs to the specified video. An authenticated user wi...