OSV-2026-717 Stack-use-after-scope in enter_block_callback

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=511831392 Crash type: Stack-use-after-scope READ 4 Crash state: enterblockcallback mdprocessallblocks mdparse...

CVE-2026-43899

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...

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...

Exploit for Basic XSS in Espocrm

CVE-2026-33657 - EspoCRM 9.3.3 Stored HTML Injection in Email...

Cross-site Scripting (XSS)

Overview local-deep-research is an AI-powered research assistant with deep, iterative analysis using LLMs and web searches Affected versions of this package are vulnerable to Cross-site Scripting XSS via the PDFService.markdowntohtml function. An attacker can cause the server to make unauthorized...

CVE-2026-42841

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an authenticated user with page editing permissions can inject an executable JavaScript event-handler attribute into rendered image HTML through Grav's Markdown media action syntax. The issue is caused by Markdown image query parameters...

CVE-2026-42841 Grav: Stored XSS via Markdown media attribute() action in Grav CMS

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an authenticated user with page editing permissions can inject an executable JavaScript event-handler attribute into rendered image HTML through Grav's Markdown media action syntax. The issue is caused by Markdown image query parameters...

CVE-2026-42841 Grav: Stored XSS via Markdown media attribute() action in Grav CMS

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an authenticated user with page editing permissions can inject an executable JavaScript event-handler attribute into rendered image HTML through Grav's Markdown media action syntax. The issue is caused by Markdown image query parameters...

CVE-2026-42841

Grav CMS stores image attributes via Markdown media action parameters. Before 2.0.0-beta.2, an authenticated page editor could inject a JavaScript event handler by calling attribute(name, value) through image query parameters (e.g., ?attribute=onload,alert(...)). The attack results in a stored XS...

CVE-2026-42841 Grav: Stored XSS via Markdown media attribute() action in Grav CMS

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an authenticated user with page editing permissions can inject an executable JavaScript event-handler attribute into rendered image HTML through Grav's Markdown media action syntax. The issue is caused by Markdown image query parameters...

PT-2026-39859

Name of the Vulnerable Software and Affected Versions DeepChat versions prior to 1.0.4-beta.1 Description An incomplete mitigation for a previous issue allows for an arbitrary protocol execution bypass, which can lead to remote code execution RCE. While restrictions were applied to the...

Grav 跨站脚本漏洞

Grav is a scalable content management system CMS developed by the Grav open-source community, suitable for use in personal blogs, small content publishing platforms, and single-page product displays. Versions of Grav prior to 2.0.0-beta.2 contained a cross-site scripting vulnerability. This...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: python-jinja2 (UTSA-2026-017474)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017474 advisory. This affects the package jinja2 from 0.0.0 and before 2.11.3. The ReDoS vulnerability is mainly due to the punctuationre regex operator and its use of multiple...

Mistune ReDoS in LINK_TITLE_RE allows denial of service with crafted Markdown titles

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PT-2026-39330

Name of the Vulnerable Software and Affected Versions mistune versions prior to 3.2.1 Description In the HTMLRenderer.heading function within src/mistune/renderers/html.py, the id attribute of heading tags is constructed by directly concatenating the value into the HTML without sanitization. When...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the renderblockmath and inline math rendering paths in the math plugin. An attacker can inject arbitrary XML/HTML into rendered math output by supplying crafted math content that is emitted without escaping...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS in the rendering process of the pending user overlay content due to improper sanitization order. An attacker can execute arbitrary JavaScript in the browser context of affected users ...