CVE-2026-66394

Affected software: SiYuan prior to v3.7.3. Vulnerability: stored and reflected XSS via SVG sanitization bypassing the HTML parser-based cleaner, allowing authenticated attackers to run scripts. Trigger/context: scripts can be executed in the application origin when served as image/svg+xml by hidi...

PT-2026-64995

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.3 Description Stored and reflected cross-site scripting issues exist in SVG sanitization. Authenticated attackers can bypass the HTML parser-based cleaner by hiding script tags within desc, style, or noscript...

Cross-site Scripting (XSS)

Overview trix is a Rich Text Editor. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the HTMLParser process. An attacker can inject malicious scripts by pasting crafted HTML containing a span element with an empty data-trix-attachment attribute, which bypasses...

OESA-2026-3182 python3 security update

Python combines remarkable power with very clear syntax. It has modules, classes, exceptions, very high level dynamic data types, and dynamic typing. There are interfaces to many system calls and libraries, as well as to various windowing systems. New built-in modules are easily written in C or C...

OESA-2026-3180 python3 security update

Python combines remarkable power with very clear syntax. It has modules, classes, exceptions, very high level dynamic data types, and dynamic typing. There are interfaces to many system calls and libraries, as well as to various windowing systems. New built-in modules are easily written in C or C...

Alibaba Cloud Linux 3 : 0226: python3 (ALINUX3-SA-2026:0226)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2026:0226 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-15308: The incremental HTML parser...

USN-8587-1: HTML-Parser vulnerability

It was discovered that HTML-Parser incorrectly handled entity references when the input string was identical to an entity value in the lookup table. An attacker could possibly use this issue to obtain sensitive information...

python3.14 security update

An update is available for python3.14. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Python is an interpreted, interactive, object-oriented programming...

python3.14 security update

An update is available for python3.14. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Python is an interpreted, interactive, object-oriented programming languag...

RLSA-2026:41949 Important: python3.14 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

RockyLinux 10 : python3.14 (RLSA-2026:40856)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:40856 advisory. python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations CVE-2026-15308 Tenable has extracted the preceding descriptio...

RockyLinux 9 : python3.14 (RLSA-2026:41949)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:41949 advisory. python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations CVE-2026-15308 Tenable has extracted the preceding description...

MiracleLinux 8 : python3-3.6.8-77.el8_10.ML.1 (AXSA:2026-1330:09)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1330:09 advisory. python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations CVE-2026-15308 Tenable has extracted the preceding...

AlmaLinux 9 : python3.14 (ALSA-2026:41949)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:41949 advisory. python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations CVE-2026-15308 Tenable has extracted the preceding description...

golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via HTML parsing bypass

A flaw was found in golang.org/x/net/html. When arbitrary HTML is parsed and then rendered, it can result in an unexpected HTML tree. This allows an attacker to bypass HTML sanitization mechanisms, leading to Cross-Site Scripting XSS attacks in applications. Such attacks can result in information...

golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting

A flaw was found in golang.org/x/net/html. A remote attacker could exploit this vulnerability by providing specially crafted HTML. When this arbitrary HTML is parsed and rendered, it can result in an unexpected HTML tree, bypassing input sanitization. This can be leveraged to execute Cross-Site...

Important: Red Hat Security Advisory: python3.14 security update

An update for python3.14 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fro...

AlmaLinux 10 : python3.14 (ALSA-2026:40856)

The remote AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:40856 advisory. python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations CVE-2026-15308 Tenable has extracted the preceding description...

RHEL 9 : python3.14 (RHSA-2026:41949)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:41949 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic da...

Important: python3.14 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...