Improper detection of disallowed URIs by Loofah `allowed_uri?`

Summary Loofah::HTML5::Scrub.alloweduri? does not correctly reject javascript: URIs when the scheme is split by HTML entity-encoded control characters such as carriage return, line feed, or tab. Details The alloweduri? method strips literal control characters before decoding HTML entities. Payloa...

GHSA-8GC5-J5RX-235R fast-xml-parser affected by numeric entity expansion bypassing all entity expansion limits (incomplete fix for CVE-2026-26278)

Summary The fix for CVE-2026-26278 added entity expansion limits maxTotalExpansions, maxExpandedLength, maxEntityCount, maxEntitySize to prevent XML entity expansion Denial of Service. However, these limits are only enforced for DOCTYPE-defined entities. Numeric character references &NNN; and &xH...

fast-xml-parser affected by numeric entity expansion bypassing all entity expansion limits (incomplete fix for CVE-2026-26278)

Summary The fix for CVE-2026-26278 added entity expansion limits maxTotalExpansions, maxExpandedLength, maxEntityCount, maxEntitySize to prevent XML entity expansion Denial of Service. However, these limits are only enforced for DOCTYPE-defined entities. Numeric character references &NNN; and &xH...

PT-2026-25995

Name of the Vulnerable Software and Affected Versions fast-xml-parser versions 4.0.0-beta.3 through 5.5.5 Description fast-xml-parser allows users to process XML from JavaScript objects without relying on C/C++ based libraries or callbacks. Versions 4.0.0-beta.3 through 5.5.5 contain a bypass tha...

CVE-2026-32776

A flaw was found in libexpat. A remote attacker could exploit this vulnerability by providing specially crafted XML content with empty external parameter entities. This could lead to a NULL pointer dereference, causing the application to crash and resulting in a Denial of Service DoS. Mitigation...

CVE-2026-32776

libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content...

CVE-2026-32251

Tolgee is an open-source localization platform. Prior to 3.166.3, the XML parsers used for importing Android XML resources .xml and .resx files don't disable external entity processing. An authenticated user who can import translation files into a project can exploit this to read arbitrary files...

EUVD-2026-11691

Tolgee is an open-source localization platform. Prior to 3.166.3, the XML parsers used for importing Android XML resources .xml and .resx files don't disable external entity processing. An authenticated user who can import translation files into a project can exploit this to read arbitrary files...

CVE-2026-32251

Tolgee is an open-source localization platform. Prior to 3.166.3, the XML parsers used for importing Android XML resources .xml and .resx files don't disable external entity processing. An authenticated user who can import translation files into a project can exploit this to read arbitrary files...

Tolgee 代码问题漏洞

Tolgee is an open-source, multilingual translation and localization platform developed by Tolgee itself. It aims to help development teams easily manage and maintain multilingual software applications and websites. Versions of Tolgee prior to 3.166.3 contained code vulnerabilities. These...

PT-2026-25060

Name of the Vulnerable Software and Affected Versions Tolgee versions prior to 3.166.3 Description Tolgee is an open-source localization platform. The XML parsers used for importing Android XML resources .xml and .resx files do not disable external entity processing. An authenticated user who can...

Hitachi Energy RTU500 Product Uncontrolled Recursion (CVE-2024-8176)

A stack overflow vulnerability exists in the libexpat library due to the way it handles recursive entity expansion in XML documents. When parsing an XML document with deeply nested entity references, libexpat can be forced to recurse indefinitely, exhausting the stack space and causing a crash...

SUSE CVE-2026-29074

SVGO, short for SVG Optimizer, is a Node.js library and command-line application for optimizing SVG files. From version 2.1.0 to before version 2.8.1, from version 3.0.0 to before version 3.3.3, and before version 4.0.1, SVGO accepts XML with custom entities, without guards against entity expansi...

CVE-2026-29074

SVGO, short for SVG Optimizer, is a Node.js library and command-line application for optimizing SVG files. From version 2.1.0 to before version 2.8.1, from version 3.0.0 to before version 3.3.3, and before version 4.0.1, SVGO accepts XML with custom entities, without guards against entity expansi...

CVE-2026-27807

MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.4, MarkUs allows course instructors to upload YAML files to create/update various entities e.g., assignment settings. These YAML files are parsed with aliases enabled. This issue has been patch...

APT28-Linked Campaign Deploys BadPaw Loader and MeowMeow Backdoor in Ukraine

Cybersecurity researchers have disclosed details of a new Russian cyber campaign that has targeted Ukrainian entities with two previously undocumented malware families named BadPaw and MeowMeow. "The attack chain initiates with a phishing email containing a link to a ZIP archive. Once extracted, ...

XML Entity Expansion (Billion Laughs)

Overview Affected versions of this package are vulnerable to XML Entity Expansion Billion Laughs when parsing of custom XML entities in DOCTYPE. An attacker can cause the application to consume excessive memory by submitting malicious SVG files containing recursive entity references. Workaround F...

SVGO DoS through entity expansion in DOCTYPE (Billion Laughs)

Summary SVGO accepts XML with custom entities, without guards against entity expansion or recursion. This can result in a small XML file 811 bytes stalling the application and even crashing the Node.js process with JavaScript heap out of memory. Details The upstream XML parser sax doesn't interpr...

PT-2026-23095

Name of the Vulnerable Software and Affected Versions SVGO versions 2.1.0 through 2.8.0 SVGO versions 3.0.0 through 3.3.2 SVGO versions prior to 4.0.1 Description SVGO is susceptible to a denial-of-service issue stemming from improper handling of XML custom entities. Specifically, the software do...

OAuth redirection abuse enables phishing and malware delivery

Microsoft observed phishing-led exploitation of OAuth’s by-design redirection mechanisms. The activity targets government and public-sector organizations and uses silent OAuth authentication flows and intentionally invalid scopes to redirect victims to attacker-controlled infrastructure without...