CVE-2026-62143

A Server-Side Request Forgery SSRF protection bypass existed in the htmltomarkdown expansion module of misp-modules. The module attempts to prevent requests to loopback, private, link-local, and other restricted IP address ranges. However, IP addresses were compared against the blocked ranges...

CVE-2026-6850

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to validate the length and content of message attachment field values, which allows an authenticated attacker to cause a denial of service for all users in a channel via a post containing a specially crafted payload tha...

CVE-2026-6850 Crafted message attachment causes client-side denial of service via markdown parser regex backtracking in Mattermost

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to validate the length and content of message attachment field values, which allows an authenticated attacker to cause a denial of service for all users in a channel via a post containing a specially crafted payload tha...

CVE-2026-6850

Mattermost is affected (versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4, 10.11.x

CVE-2026-62143

The CVE-2026-62143 issue affects the html_to_markdown expansion module of misp-modules. An SSRF protection bypass occurred because IPv4-mapped IPv6 addresses were not normalised before checking blocked IP ranges, allowing an authenticated attacker to supply addresses like http://[::ffff:127.0.0.1...

CVE-2026-62143 Server-Side Request Forgery protection bypass in misp-modules html_to_markdown via IPv4-mapped IPv6 addresses

A Server-Side Request Forgery SSRF protection bypass existed in the htmltomarkdown expansion module of misp-modules. The module attempts to prevent requests to loopback, private, link-local, and other restricted IP address ranges. However, IP addresses were compared against the blocked ranges...

linkify-it: linkify-it: Denial of Service via algorithmic complexity vulnerability

A flaw was found in linkify-it, a library for recognizing links with full Unicode support. The LinkifyIt.prototype.match function, the package's primary public API, has an algorithmic complexity of ON² for inputs containing many fuzzy links or emails. This can be exploited by a remote attacker...

CVE-2026-58499

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-2026-58499

EverOS is affected by a path-traversal vulnerability in the POST /api/v1/memory/add ingestion endpoint prior to version 1.0.1. The per-message sender_id was not validated as a path-safe identifier, unlike app_id/project_id, and is used as owner_id to build the filesystem path for persisting extra...

CVE-2026-55464

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...

CVE-2026-55464

Snipe-IT (IT asset/license management) is affected by CVE-2026-55464 prior to version 8.6.2. The issue arises from CommonMark escaping raw HTML but not sanitizing javascript: URIs in Markdown hyperlinks within a markdown-textarea custom field. A user with assets.edit permission can insert a malic...

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...

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...

CVE-2026-55890

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...

EUVD-2026-42946

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...

CVE-2026-55890 Grav: Stored CSS injection via Markdown image ?style=… reaches MediaObjectTrait::style()

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...

CVE-2026-55890 Grav: Stored CSS injection via Markdown image ?style=… reaches MediaObjectTrait::style()

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...

CVE-2026-55890

Grav CVE-2026-55890 concerns stored CSS injection via Markdown image style parameters that reach MediaObjectTrait::style(). The incomplete patch from GHSA-r7fx-8g49-7hhr fixed attribute() (denying dangerous attribute names) but leaves the sibling style() sink unmitigated, allowing editor-supplied...

GHSA-PJ8J-P4G4-4VW8 Kimai has Server-Side Request Forgery in Invoice PDF Rendering via Markdown Image URLs

Summary Kimai 2.56.0 contains a server-side request forgery vulnerability in its invoice PDF preview and generation workflow. If an attacker can control Markdown content that is later rendered into an invoice PDF, such as Customer.invoiceText, the server-side PDF renderer will fetch remote image...

SUSE CVE-2026-59924

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 that the result remains within the intended markdown directory, allowing crafted include paths to access files outside that directory wh...