CVE-2026-55464 Snipe-IT: Stored XSS via Markdown custom field

Snipe-IT is an IT asset/license management system. Prior to 8.6.2, CommonMark escapes raw HTML but does not sanitize javascript: URIs in Markdown hyperlinks, allowing a user with assets.edit permission to place a malicious link in a markdown-textarea custom field that executes arbitrary JavaScrip...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the safeurl function. An attacker can execute arbitrary scripts in the rendered HTML by supplying specially crafted percent-encoded javascript URIs in Markdown links or images. Details Cross-site scripting o...

CVE-2026-59923

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safeurl does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or images to bypass URL protections and execute script in rendered HTML. This issue is fixed in version...

CVE-2026-48704

Warp is an agentic development environment. From 0.2023.10.24.08.03.stable00 until 0.2026.05.06.15.42.stable01, Warp may open executable local files through the operating system default file handler. A malicious Markdown document or project can contain a local-file link that appears as normal...

CVE-2026-48704

Warp is an agentic development environment. From 0.2023.10.24.08.03.stable00 until 0.2026.05.06.15.42.stable01, Warp may open executable local files through the operating system default file handler. A malicious Markdown document or project can contain a local-file link that appears as normal...

CVE-2026-54326

Pi is a minimal terminal coding harness. From 0.74.0 until 0.78.1, Pi HTML exports render session Markdown into a static HTML file. It did not consistently reject unsafe Markdown link and image URL schemes. In versions with scheme filtering, C0 control characters in the URL scheme could bypass th...

CVE-2026-54326 Pi: Potential XSS in HTML session exports via Markdown URL sanitization bypass

Pi is a minimal terminal coding harness. From 0.74.0 until 0.78.1, Pi HTML exports render session Markdown into a static HTML file. It did not consistently reject unsafe Markdown link and image URL schemes. In versions with scheme filtering, C0 control characters in the URL scheme could bypass th...

CVE-2026-54326 Pi: Potential XSS in HTML session exports via Markdown URL sanitization bypass

Pi is a minimal terminal coding harness. From 0.74.0 until 0.78.1, Pi HTML exports render session Markdown into a static HTML file. It did not consistently reject unsafe Markdown link and image URL schemes. In versions with scheme filtering, C0 control characters in the URL scheme could bypass th...

Linux Distros Unpatched Vulnerability : CVE-2026-48822

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Shaarli is a personal bookmarking service. Versions 0.16.1 and prior contain a stored Cross-Site Scripting XSS vulnerability in the Markdown-to-HTML conversion...

CVE-2026-48822

Shaarli is a personal bookmarking service. Versions 0.16.1 and prior contain a stored Cross-Site Scripting XSS vulnerability in the Markdown-to-HTML conversion process used in the Bookmark Description field. An authenticated user can inject a malicious javascript: URI inside a Markdown link. The...

DEBIAN-CVE-2026-48822

Shaarli is a personal bookmarking service. Versions 0.16.1 and prior contain a stored Cross-Site Scripting XSS vulnerability in the Markdown-to-HTML conversion process used in the Bookmark Description field. An authenticated user can inject a malicious javascript: URI inside a Markdown link. The...

CVE-2026-48822 Shaarli has Stored Cross-Site Scripting (XSS) via Markdown Reference Links

Shaarli is a personal bookmarking service. Versions 0.16.1 and prior contain a stored Cross-Site Scripting XSS vulnerability in the Markdown-to-HTML conversion process used in the Bookmark Description field. An authenticated user can inject a malicious javascript: URI inside a Markdown link. The...

CVE-2026-48822

Shaarli is a personal bookmarking service. Versions 0.16.1 and prior contain a stored Cross-Site Scripting XSS vulnerability in the Markdown-to-HTML conversion process used in the Bookmark Description field. An authenticated user can inject a malicious javascript: URI inside a Markdown link. The...

Pi Agent: Potential XSS in HTML session exports via Markdown URL sanitization bypass

Potential XSS in HTML session exports via Markdown URL handling Pi HTML exports render session Markdown into a static HTML file. Affected versions did not consistently reject unsafe Markdown link and image URL schemes. In versions with scheme filtering, C0 control characters in the URL scheme cou...

CVE-2026-53841

OpenClaw prior to version 2026.5.12 exposes a stored cross-site scripting risk in exported session HTML. The vulnerability arises because the exported content preserves unsafe javascript: and data: links, enabling browser-side scripts when a trusted operator opens the exported file and activates ...

CVE-2026-41063

WWBN AVideo is an open source video platform. In versions 29.0 and below, an incomplete XSS fix in AVideo's ParsedownSafeWithLinks class overrides inlineMarkup for raw HTML but does not override inlineLink or inlineUrlTag, allowing javascript: URLs in markdown link syntax to bypass sanitization...

ChatGPhish Vulnerability Turns ChatGPT Web Summaries Into a Phishing Surface

Cybersecurity researchers have disclosed details of a vulnerability in OpenAI ChatGPT that leverages the artificial intelligence AI assistant's implicit trust in Markdown links and images to trigger prompt injections and open the door to phishing attacks. The technique has been codenamed ChatGPhi...

CVE-2026-43899 DeepChat: Incomplete Fix for CVE-2025-55733 leads to Remote Code Execution via Markdown Links bypassing `isValidExternalUrl`

DeepChat is an open-source artificial intelligence agent platform that unifies models, tools, and agents. Prior to v1.0.4-beta.1, An incomplete mitigation for CVE-2025-55733 leaves DeepChat vulnerable to an arbitrary protocol execution bypass RCE. While the patch correctly restricted...

CVE-2026-43899 DeepChat: Incomplete Fix for CVE-2025-55733 leads to Remote Code Execution via Markdown Links bypassing `isValidExternalUrl`

DeepChat is an open-source artificial intelligence agent platform that unifies models, tools, and agents. Prior to v1.0.4-beta.1, An incomplete mitigation for CVE-2025-55733 leaves DeepChat vulnerable to an arbitrary protocol execution bypass RCE. While the patch correctly restricted...

CVE-2026-43899

DeepChat (open-source AI agent platform) has a CVE-2026-43899 stating an incomplete fix for CVE-2025-55733 prior to v1.0.4-beta.1. The issue: mitigation restricted api.openExternal() in renderer preload/index.ts but did not sanitize native Electron pop-up window handlers, allowing a compromised A...