Gitlab-RCE

Analysis of RCE vulnerability on Gitlab CVE-2021–22192 I Building This bug occurs on GitLab Community Edition CE and Enterprise Edition EE in versions =13.2, =13.8, =13.9, 13.9.4 You can follow the instructions of lyy289065406 to set up the environment. II Analysis When I started to analyze this...

Astra Linux – Vulnerability in ruby-kramdown

Before version 2.3.1, Kramdown did not restrict Rouge formatters to the Rouge::Formatters namespace, allowing arbitrary classes to be instantiated...

CVE-2026-100639 SiYuan before v3.8.4 Cross-Site Scripting via Kramdown IAL

SiYuan v3.8.3 fails to HTML-escape the data-subtype attribute when generating gutter-button markup app/src/protyle/gutter/button.ts, assigned via innerHTML in app/src/protyle/gutter/index.ts from content pasted as plain-text Markdown containing a Kramdown inline attribute list IAL. Because the...

EUVD-2026-87733

SiYuan v3.8.3 fails to HTML-escape the data-subtype attribute when generating gutter-button markup app/src/protyle/gutter/button.ts, assigned via innerHTML in app/src/protyle/gutter/index.ts from content pasted as plain-text Markdown containing a Kramdown inline attribute list IAL. Because the...

CVE-2026-100639

SiYuan v3.8.3 is vulnerable to a Cross-Site Scripting (XSS) flaw due to a failure to HTML-escape the data-subtype attribute during gutter-button markup generation. This occurs when content containing a Kramdown inline attribute list (IAL) is pasted as plain-text Markdown. The shared Lute renderer...

CVE-2026-100639 SiYuan before v3.8.4 Cross-Site Scripting via Kramdown IAL

SiYuan v3.8.3 fails to HTML-escape the data-subtype attribute when generating gutter-button markup app/src/protyle/gutter/button.ts, assigned via innerHTML in app/src/protyle/gutter/index.ts from content pasted as plain-text Markdown containing a Kramdown inline attribute list IAL. Because the...

CVE-2026-100639 SiYuan before v3.8.4 Cross-Site Scripting via Kramdown IAL

SiYuan v3.8.3 fails to HTML-escape the data-subtype attribute when generating gutter-button markup app/src/protyle/gutter/button.ts, assigned via innerHTML in app/src/protyle/gutter/index.ts from content pasted as plain-text Markdown containing a Kramdown inline attribute list IAL. Because the...

PT-2026-99310

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.8.4 Description Insufficient HTML-escaping of the data-subtype attribute occurs when generating gutter-button markup from plain-text Markdown containing a Kramdown inline attribute list IAL. The Lute renderer parses...

CVE-2026-100639: Improper Neutralization of Input During Web Page Generation

SiYuan v3.8.3 fails to HTML-escape the data-subtype attribute when generating gutter-button markup app/src/protyle/gutter/button.ts, assigned via innerHTML in app/src/protyle/gutter/index.ts from content pasted as plain-text Markdown containing a Kramdown inline attribute list IAL. Because the...

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: rubygem-kramdown (UTSA-2026-016633)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016633 advisory. Kramdown before 2.3.1 does not restrict Rouge formatters to the Rouge::Formatters namespace, and thus arbitrary classes can be instantiated. Tenable has extracted th...

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: rubygem-kramdown (UTSA-2026-016646)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016646 advisory. The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access such as...

OPENSUSE-SU-2026:10352-1 ruby4.0-rubygem-kramdown-2.4.0-1.17 on GA media

These are all security issues fixed in the ruby4.0-rubygem-kramdown-2.4.0-1.17 package on the GA media of openSUSE Tumbleweed...

EUVD-2021-0603

Malware in sbrugna...

EUVD-2020-0635

Malware in sbrugna...

Linux Distros Unpatched Vulnerability : CVE-2020-14001

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access such as...

ruby3.4-rubygem-kramdown-2.4.0-1.15 on GA media (moderate)

ruby3.4-rubygem-kramdown-2.4.0-1.15 on GA media Announcement ID: openSUSE-SU-2025:15119-1 Rating: moderate Cross-References: CVE-2020-14001 CVE-2021-28834 CVSS scores: CVE-2020-14001 SUSE : 7.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L CVE-2021-28834 SUSE : 9.8...

OPENSUSE-SU-2025:15119-1 ruby3.4-rubygem-kramdown-2.4.0-1.15 on GA media

These are all security issues fixed in the ruby3.4-rubygem-kramdown-2.4.0-1.15 package on the GA media of openSUSE Tumbleweed...

OPENSUSE-SU-2024:14170-1 ruby3.3-rubygem-kramdown-2.4.0-1.12 on GA media

These are all security issues fixed in the ruby3.3-rubygem-kramdown-2.4.0-1.12 package on the GA media of openSUSE Tumbleweed...

OPENSUSE-SU-2024:11336-1 ruby2.7-rubygem-kramdown-2.3.1-1.3 on GA media

These are all security issues fixed in the ruby2.7-rubygem-kramdown-2.3.1-1.3 package on the GA media of openSUSE Tumbleweed...

OPENSUSE-SU-2024:13161-1 ruby3.2-rubygem-kramdown-2.4.0-1.8 on GA media

These are all security issues fixed in the ruby3.2-rubygem-kramdown-2.4.0-1.8 package on the GA media of openSUSE Tumbleweed...