CVE-2026-44313 LinkWarden: Server-Side Request Forgery (SSRF) in Link Creation via fetchTitleAndHeaders Function

Linkwarden is a self-hosted, open-source collaborative bookmark manager to collect, organize and archive webpages. Prior to version 2.13.0, a Server-Side Request Forgery SSRF vulnerability in the fetchTitleAndHeaders function allows authenticated users to make arbitrary HTTP requests to internal...

EUVD-2026-28874

Linkwarden is a self-hosted, open-source collaborative bookmark manager to collect, organize and archive webpages. Prior to version 2.13.0, a Server-Side Request Forgery SSRF vulnerability in the fetchTitleAndHeaders function allows authenticated users to make arbitrary HTTP requests to internal...

CVE-2026-44313

CVE-2026-44313 (Linkwarden) : A SSRF vulnerability exists in the fetchTitleAndHeaders function prior to version 2.13.0, enabling authenticated users to cause arbitrary HTTP requests to internal services due to insufficient URL validation that only checks for the prefixes "http://" or "https://". ...

CVE-2026-44313 LinkWarden: Server-Side Request Forgery (SSRF) in Link Creation via fetchTitleAndHeaders Function

Linkwarden is a self-hosted, open-source collaborative bookmark manager to collect, organize and archive webpages. Prior to version 2.13.0, a Server-Side Request Forgery SSRF vulnerability in the fetchTitleAndHeaders function allows authenticated users to make arbitrary HTTP requests to internal...

Grav: Stored XSS via page title (data[header][title]) in admin panel

Summary A Stored Cross-Site Scripting XSS vulnerability was identified in the /admin/pages/page endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the dataheadertitle parameter. --- Details Vulnerable Endpoint: GET /admin/pages/page Parameter:...

Cross-site Scripting (XSS)

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the dataheadertitle parameter in the admin panel. An attacker can execute arbitrary JavaScript code in the contex...

GHSA-FMG2-F5R9-24QC Grav: Stored XSS via page title (data[header][title]) in admin panel

Summary A Stored Cross-Site Scripting XSS vulnerability was identified in the /admin/pages/page endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the dataheadertitle parameter. --- Details Vulnerable Endpoint: GET /admin/pages/page Parameter:...

SUSE CVE-2026-33079

In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping...

PT-2026-39296

Name of the Vulnerable Software and Affected Versions grav-plugin-admin versions prior to 1.10.49.5 Description The application fails to properly validate and sanitize user input in the dataheadertitle parameter. This allows attackers to craft a malicious URL containing a Cross-Site Scripting XSS...

PT-2026-39224

Name of the Vulnerable Software and Affected Versions Linkwarden versions prior to 2.13.0 Description Insufficient URL validation in the fetchTitleAndHeaders function allows authenticated users to perform Server-Side Request Forgery SSRF, a flaw where the server is tricked into making requests to...

Linux Distros Unpatched Vulnerability : CVE-2026-33079

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE that allows an attacker who can...

CVE-2026-33079

In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping...

CVE-2026-33079

In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping...

CVE-2026-33079

In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping...

CVE-2026-33079 Mistune ReDoS in LINK_TITLE_RE allows denial of service with crafted Markdown titles

In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping...

Duplicate Advisory: Mistune has a ReDoS in LINK_TITLE_RE that allows denial of service via crafted Markdown input

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-8mp2-v27r-99xp. This link is maintained to preserve external references. Original Description Summary Denial-of-Service DoS vulnerability in the Mistune Markdown parser. The issue occurs when processing speciall...

GHSA-HJPH-F4MC-WX4C Duplicate Advisory: Mistune has a ReDoS in LINK_TITLE_RE that allows denial of service via crafted Markdown input

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-8mp2-v27r-99xp. This link is maintained to preserve external references. Original Description Summary Denial-of-Service DoS vulnerability in the Mistune Markdown parser. The issue occurs when processing speciall...

Regular Expression Denial of Service (ReDoS)

Overview Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS through the LINKTITLERE regular expression in Markdown parsing. An attacker can cause excessive resource consumption and make the application unresponsive by submitting specially crafted Markdo...

EUVD-2026-27877

Mistune has a ReDoS in LINKTITLERE that allows denial of service via crafted Markdown input...

Mistune has a ReDoS in LINK_TITLE_RE that allows denial of service via crafted Markdown input

Summary A ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE allows an attacker who can supply Markdown for parsing to cause denial of service. A crafted 58-byte Markdown document blocks the parser for approximately 6 seconds measured on Apple M2, Python 3.14.3, with...