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...

POS Codekop v2.0 - Broken Authentication

A broken authentication mechanism in the endpoint excel.php of POS Codekop v2.0 allows unauthenticated attackers to download selling data. id: CVE-2023-36347 info: name: POS Codekop v2.0 - Broken Authentication author: princechaddha severity: high description: | A broken authentication mechanism ...

CVE-2026-26824

CVE-2026-26824 affects libxls up to version 1.6.3. The issue is a use of uninitialized memory in the OLE container parser: memory allocated for the Master Sector Allocation Table (MSAT) in read_MSAT() is not fully initialized before being consumed by ole2_validate_sector_chain(), which may cause ...

CVE-2026-10278 ishayoyo excel-mcp read_file/write_file index.ts path traversal

A vulnerability was determined in ishayoyo excel-mcp up to 1.0.2. Impacted is an unknown function of the file src/index.ts of the component readfile/writefile. Executing a manipulation of the argument filePath/outputPath can lead to path traversal. It is possible to launch the attack remotely. Th...

EUVD-2026-33725

A vulnerability was determined in ishayoyo excel-mcp up to 1.0.2. Impacted is an unknown function of the file src/index.ts of the component readfile/writefile. Executing a manipulation of the argument filePath/outputPath can lead to path traversal. It is possible to launch the attack remotely. Th...

CVE-2026-10278 ishayoyo excel-mcp read_file/write_file index.ts path traversal

A vulnerability was determined in ishayoyo excel-mcp up to 1.0.2. Impacted is an unknown function of the file src/index.ts of the component readfile/writefile. Executing a manipulation of the argument filePath/outputPath can lead to path traversal. It is possible to launch the attack remotely. Th...

CVE-2026-10278

CVE-2026-10278 affects the project ishayoyo excel-mcp up to 1.0.2. The vulnerability targets the file handling in the component’s src/index.ts, specifically read_file/write_file, where manipulating filePath/outputPath can cause a path traversal. The issue can be triggered remotely, and publicly d...

PT-2026-45499

A vulnerability was determined in ishayoyo excel-mcp up to 1.0.2. Impacted is an unknown function of the file src/index.ts of the component read file/write file. Executing a manipulation of the argument filePath/outputPath can lead to path traversal. It is possible to launch the attack remotely...

Excel MCP Server path traversal vulnerability

Excel MCP Server is an Excel and CSV file reading/writing/analysis tool developed by ishayoyo as a personal project. Versions of Excel MCP Server 1.0.2 and earlier contained a path traversal vulnerability. This vulnerability stemmed from incorrect handling of the filePath/outputPath parameters in...

CVE-2026-41073 RT: Spreadsheet downloads vulnerable to CSV/formula injection in Microsoft Excel and similar apps

RT is an open source, enterprise-grade issue and ticket tracking system. Versions prior to 5.0.10 and 6.0.0 through 6.0.2 contain a spreadsheet CSV/formula injection vulnerability. User-controlled data in spreadsheet exports is not sanitized before being written to the output file, which can caus...

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...

📄 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...

Barracuda ESG Spreadsheet::ParseExcel Arbitrary Code Execution

This 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 library's Utility.pm contains an...

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...

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...

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 ...