CVE-2026-15311

A vulnerability was identified in NousResearch hermes-agent up to 2026.5.29.2. Affected by this issue is the function MatrixAdapter.markdowntohtml of the file gateway/platforms/matrix.py of the component Matrix Adapter. Such manipulation leads to cross site scripting. The attack can be executed...

PT-2026-57333

EverOS is a memory runtime for agents. Prior to 1.0.1, EverOS is vulnerable to path traversal in the POST /api/v1/memory/add ingestion endpoint because the per-message sender id field was not validated as a path-safe identifier, unlike app id and project id. During user-memory extraction, sender ...

CVE-2026-55464: Improper Neutralization of Input During Web Page Generation

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...

PT-2026-57265

Name of the Vulnerable Software and Affected Versions Snipe-IT versions prior to 8.6.2 Description CommonMark escapes raw HTML but fails to sanitize javascript: URIs within Markdown hyperlinks. This allows a user with assets.edit permissions to insert a malicious link into a markdown-textarea...

CVE-2026-58499: Improper Limitation of a Pathname to a Restricted Directory

EverOS is a memory runtime for agents. Prior to 1.0.1, EverOS is vulnerable to path traversal in the POST /api/v1/memory/add ingestion endpoint because the per-message senderid field was not validated as a path-safe identifier, unlike appid and projectid. During user-memory extraction, senderid i...

CVE-2026-55890: Improper Neutralization of Input During Web Page Generation

Grav is a file-based Web platform. Prior to 2.0.0-rc.9, Grav's incomplete fix for stored XSS through the Markdown media attribute action CVE-2026-42841 leaves the sibling MediaObjectTrait::style method reachable through the same Markdown excerpt-action pipeline, allowing an editor to save Markdow...

PT-2026-57231

Name of the Vulnerable Software and Affected Versions Kimai versions prior to 2.58.0 Description Kimai contains a server-side request forgery SSRF issue in its invoice PDF preview and generation workflow. This occurs when the server-side PDF renderer fetches remote image URLs embedded in Markdown...

EUVD-2026-39007

Mistune: Potential DoS via quadratic-time parsing in parselinktext...

GHSA-QCQ2-496W-V96P Mistune: Potential DoS via quadratic-time parsing in parse_link_text

Summary Mistune is vulnerable to a CPU exhaustion DoS due to superlinear approximately On² behavior in parselinktext. A relatively small input consisting of repeated characters causes significant parsing slowdown. Affected component mistune/inlineparser.py → parselinktext Description When parsing...

CVE-2026-15311 NousResearch hermes-agent Matrix Adapter matrix.py MatrixAdapter._markdown_to_html cross site scripting

A vulnerability was identified in NousResearch hermes-agent up to 2026.5.29.2. Affected by this issue is the function MatrixAdapter.markdowntohtml of the file gateway/platforms/matrix.py of the component Matrix Adapter. Such manipulation leads to cross site scripting. The attack can be executed...

CVE-2026-15311

A vulnerability was identified in NousResearch hermes-agent up to 2026.5.29.2. Affected by this issue is the function MatrixAdapter.markdowntohtml of the file gateway/platforms/matrix.py of the component Matrix Adapter. Such manipulation leads to cross site scripting. The attack can be executed...

CVE-2026-15311 NousResearch hermes-agent Matrix Adapter matrix.py MatrixAdapter._markdown_to_html cross site scripting

A vulnerability was identified in NousResearch hermes-agent up to 2026.5.29.2. Affected by this issue is the function MatrixAdapter.markdowntohtml of the file gateway/platforms/matrix.py of the component Matrix Adapter. Such manipulation leads to cross site scripting. The attack can be executed...

CVE-2026-15311

The CVE-2026-15311 entry concerns NousResearch hermes-agent (Matrix Adapter). The vulnerability specifically affects MatrixAdapter._markdown_to_html in gateway/platforms/matrix.py, enabling cross-site scripting. It can be exploited remotely and publicly available exploit code exists. The related ...

CVE-2026-15311 NousResearch hermes-agent Matrix Adapter matrix.py MatrixAdapter._markdown_to_html cross site scripting

A vulnerability was identified in NousResearch hermes-agent up to 2026.5.29.2. Affected by this issue is the function MatrixAdapter.markdowntohtml of the file gateway/platforms/matrix.py of the component Matrix Adapter. Such manipulation leads to cross site scripting. The attack can be executed...

CVE-2026-59926

A flaw was found in Mistune, a Python Markdown parser. The renderadmonition function in the Admonition directive concatenates user-controlled input into the HTML class attribute without proper escaping. This vulnerability allows for attribute injection and Cross-Site Scripting XSS attacks, even...

CVE-2026-59925

A flaw was found in Mistune, a Python Markdown parser. An attacker can exploit this vulnerability by providing specially crafted Markdown input containing long sequences of emphasis pairs. This can cause the parser to perform excessive computational work, leading to a denial of service DoS...

CVE-2026-59928

A flaw was found in Mistune, a Python Markdown parser. A remote attacker could exploit this vulnerability by providing a specially crafted Markdown document containing numerous repeated or distinct reference-link definitions. This can lead to excessive processing, causing CPU exhaustion and a...

CVE-2026-59927

A flaw was found in Mistune, a Python Markdown parser. The Include directive in Mistune's src/mistune/directives/include.py does not properly detect indirect cycles when two Markdown files include each other. This oversight allows for unbounded recursion, which can lead to a RecursionError and...

Linux Distros Unpatched Vulnerability : CVE-2026-59924

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, Include.parse joins and normalizes user-supplied include paths without verifying...

Linux Distros Unpatched Vulnerability : CVE-2026-59927

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, the Include directive in src/mistune/directives/include.py detects only direct...