Metasploit Wrap Up 05/22/2026

Another week, another authentication bypass Our humble Metasploit weeklyish blog has been blessed with a new network component vulnerability. The dynamic duo of @sfewer-r7 and @jburgess-r7 have discovered and authored the admin/networking/ciscosdwanvhubauthbypass module for CVE-2026-20182, a...

Astra Linux – Vulnerability in Firefox and Thunderbird

Excel .xll add-ins did not have a blocklist entry in Firefox’s executable blocklist, which allowed them to be downloaded without any warning of their potential harm. This vulnerability affects Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2...

📄 Barracuda ESG Spreadsheet::ParseExcel Arbitrary Code Execution

This Metasploit module exploits CVE-2023-7102, an arbitrary code execution vulnerability in Barracuda Email Security Gateway ESG appliances. The vulnerability exists in how the Amavis scanner processes Excel attachments using the Perl Spreadsheet::ParseExcel library. The librarys Utility.pm...

CVE-2026-46722 XML External Entity Injection in extension "Faceted Search" (ke_search)

The OOXML parsing of the file indexer does not disable external entity resolution. A crafted xlsx or pptx document placed in an indexed directory can cause local files to be read or outbound HTTP requests to be performed, with the retrieved content being written to the search index...

CVE-2026-46722

The OOXML parsing of the file indexer does not disable external entity resolution. A crafted xlsx or pptx document placed in an indexed directory can cause local files to be read or outbound HTTP requests to be performed, with the retrieved content being written to the search index...

EUVD-2026-30859

The OOXML parsing of the file indexer does not disable external entity resolution. A crafted xlsx or pptx document placed in an indexed directory can cause local files to be read or outbound HTTP requests to be performed, with the retrieved content being written to the search index...

PT-2026-41862

The OOXML parsing of the file indexer does not disable external entity resolution. A crafted xlsx or pptx document placed in an indexed directory can cause local files to be read or outbound HTTP requests to be performed, with the retrieved content being written to the search index...

CVE-2026-45318

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, his advisory tracks a regression of the original Excel-preview XSS CVE-2026-44549. The same root cause — XLSX.utils.sheettohtml output rendered via @html excelHtml without DOMPurify ...

CVE-2026-44549

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated...

CVE-2026-45318

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, his advisory tracks a regression of the original Excel-preview XSS CVE-2026-44549. The same root cause — XLSX.utils.sheettohtml output rendered via @html excelHtml without DOMPurify ...

CVE-2026-44549

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated...

CVE-2026-44549

CVE-2026-44549 details (Open WebUI) : Open WebUI before 0.8.0 previews Excel attachments unsafely. The XLSX payload can trigger sheet_to_html to embed an XSS payload, which is then inserted into the DOM via @html without sanitization, enabling stored XSS. The issue is resolved in version 0.8.0. R...

CVE-2026-44549 Open WebUI: Stored XSS in excel file preview

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated...

CVE-2026-44549

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated...

CVE-2026-44549 Open WebUI: Stored XSS in excel file preview

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated...

EUVD-2026-30639

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated...

CVE-2026-45318 Open WebUI: Stored XSS via unsanitized Office/Excel/DOCX file preview rendering ({@html} without DOMPurify)

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, his advisory tracks a regression of the original Excel-preview XSS CVE-2026-44549. The same root cause — XLSX.utils.sheettohtml output rendered via @html excelHtml without DOMPurify ...

CVE-2026-45318

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, his advisory tracks a regression of the original Excel-preview XSS CVE-2026-44549. The same root cause — XLSX.utils.sheettohtml output rendered via @html excelHtml without DOMPurify ...

CVE-2026-45318 Open WebUI: Stored XSS via unsanitized Office/Excel/DOCX file preview rendering ({@html} without DOMPurify)

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, his advisory tracks a regression of the original Excel-preview XSS CVE-2026-44549. The same root cause — XLSX.utils.sheettohtml output rendered via @html excelHtml without DOMPurify ...

EUVD-2026-30659

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, his advisory tracks a regression of the original Excel-preview XSS CVE-2026-44549. The same root cause — XLSX.utils.sheettohtml output rendered via @html excelHtml without DOMPurify ...