Open WebUI has stored XSS via unsanitized Office/Excel/DOCX file preview rendering ({@html} without DOMPurify)

Related advisory This advisory tracks a regression of the original Excel-preview XSS that was publicly disclosed and patched under GHSA-jwf8-pv5p-vhmc patched in v0.8.0. The same root cause — XLSX.utils.sheettohtml output rendered via @html excelHtml without DOMPurify — was reintroduced sometime...

How Dangerous Is Anthropic’s Mythos AI?

Last month, Anthropic made a remarkable announcement about its new model, Claude Mythos Preview: it was so good at finding security vulnerabilities in software that the company would not release it to the general public. Instead, it would only be available to a select group of companies to scan a...

Important: Red Hat Security Advisory: zero trust workload identity manager for Red Hat OpenShift 1.0.1

zero trust workload identity manager for Red Hat OpenShift 1.0.1 The Zero Trust Workload Identity Manager ZTWIM is a day-2 operator. The operator manages lifecycle of operand components from SPIRE project. The goal of ZTWIM is to provide secure, verifiable workload identities for workloads in...

Important: Red Hat Security Advisory: zero trust workload identity manager for Red Hat OpenShift 1.0.1

zero trust workload identity manager for Red Hat OpenShift 1.0.1 The Zero Trust Workload Identity Manager ZTWIM is a day-2 operator. The operator manages lifecycle of operand components from SPIRE project. The goal of ZTWIM is to provide secure, verifiable workload identities for workloads in...

Important: Red Hat Security Advisory: zero trust workload identity manager for Red Hat OpenShift 1.0.1

zero trust workload identity manager for Red Hat OpenShift 1.0.1 The Zero Trust Workload Identity Manager ZTWIM is a day-2 operator. The operator manages lifecycle of operand components from SPIRE project. The goal of ZTWIM is to provide secure, verifiable workload identities for workloads in...

Important: Red Hat Security Advisory: zero trust workload identity manager for Red Hat OpenShift 1.0.1

zero trust workload identity manager for Red Hat OpenShift 1.0.1 The Zero Trust Workload Identity Manager ZTWIM is a day-2 operator. The operator manages lifecycle of operand components from SPIRE project. The goal of ZTWIM is to provide secure, verifiable workload identities for workloads in...

Important: Red Hat Security Advisory: zero trust workload identity manager for Red Hat OpenShift 1.0.1

zero trust workload identity manager for Red Hat OpenShift 1.0.1 The Zero Trust Workload Identity Manager ZTWIM is a day-2 operator. The operator manages lifecycle of operand components from SPIRE project. The goal of ZTWIM is to provide secure, verifiable workload identities for workloads in...

Important: Red Hat Security Advisory: zero trust workload identity manager for Red Hat OpenShift 1.0.1

zero trust workload identity manager for Red Hat OpenShift 1.0.1 The Zero Trust Workload Identity Manager ZTWIM is a day-2 operator. The operator manages lifecycle of operand components from SPIRE project. The goal of ZTWIM is to provide secure, verifiable workload identities for workloads in...

Tuist security vulnerabilities

Tuist is an open-source platform for team collaboration and performance optimization in Swift application development. Tuist versions 1.180.8 and earlier have security vulnerabilities. These vulnerabilities stem from the DELETE endpoint not verifying whether the preview belongs to an item within...

PT-2026-41127

Name of the Vulnerable Software and Affected Versions Tuist versions prior to 1.180.9 Description The "DELETE /api/projects/account handle/project handle/previews/preview id" endpoint loads a preview by its UUID without verifying that the preview belongs to the project resolved from the URL path...

CVE-2026-42556

Postiz is an AI social media scheduling tool. From version 2.21.6 to before version 2.21.7, any authenticated user who can create a post can store arbitrary HTML in post content by tampering their own save request and send the public preview link /p/?share=true to another user. The preview page...

CVE-2026-44127

SEPPmail Secure Email Gateway before version 15.0.4 contains an unauthenticated path traversal vulnerability in the identifier parameter of /api.app/attachment/preview that allows remote attackers to read arbitrary local files and trigger deletion of files in the targeted directory with the...

Microsoft's MDASH AI System Finds 16 Windows Flaws Fixed in Patch Tuesday

Microsoft has unveiled a new multi-model artificial intelligence AI-driven system called MDASH to facilitate vulnerability discovery and remediation at scale, adding that it's being tested by some customers as part of a limited private preview. MDASH, short for m ulti-mod el a gentic s canning h...

EUVD-2026-29844

efw4.X is an Enterprise Framework for Web. Prior to 4.08.010, the previewServlet serves files with their detected MIME type based on file extension, without any content sanitization or security headers. Files with .html, .htm, or .svg extensions are served as text/html or image/svg+xml...

CVE-2026-44259 efw4.X: Stored XSS via previewServlet

efw4.X is an Enterprise Framework for Web. Prior to 4.08.010, the previewServlet serves files with their detected MIME type based on file extension, without any content sanitization or security headers. Files with .html, .htm, or .svg extensions are served as text/html or image/svg+xml...

PT-2026-40445

Name of the Vulnerable Software and Affected Versions efw4.X versions prior to 4.08.010 Description The 'previewServlet' serves files using detected MIME types based on file extensions without applying security headers or content sanitization. Files with extensions such as .html, .htm, or .svg ar...

CVE-2026-43897

Link Preview JS extracts web links information. Prior to 4.0.1, the library did not check for IPv6 loopback attacks. There was also a DNS attack, where an address could be resolved into an internal IP. This could cause internal data leaks. This vulnerability is fixed in 4.0.1...

CVE-2026-43897

Link Preview JS extracts web links information. Prior to 4.0.1, the library did not check for IPv6 loopback attacks. There was also a DNS attack, where an address could be resolved into an internal IP. This could cause internal data leaks. This vulnerability is fixed in 4.0.1...

CVE-2026-43897

CVE-2026-43897 affects the link-preview-js library. Prior to version 4.0.1, it did not validate IPv6 loopback addresses and could also resolve certain addresses to internal IPs via DNS, enabling potential internal data leaks when extracting link information. The vulnerability is fixed in version ...

@aboutdisz/baileys (>=1.0.7, <=1.0.13), @aetherzcode/baileyszx (1.0.9) +145 more potentially affected by CVE-2026-43897 via link-preview-js (>=1.6.0, <=3.2.0)

link-preview-js NPM version =1.6.0, =1.0.7, =15.0.3, =1.0.0, =1.3.5, =1.0.5, =0.0.1, =2.0.5, =2.1.4, =3.0.0, =5.5.0 and more Source cves: CVE-2026-43897 Source advisory: MEND:CVE-2026-43897...