Security Updates for Microsoft Office Online Server (June 2026)

The Microsoft Office Online Server or Office Web Apps installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities: - Integer underflow wrap or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-10278

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-2026-42267

Kimai is an open-source time tracking application. From version 2.27.0 to before version 2.54.0, any ROLEUSER can create a tag with a formula string as its name e.g. =SUM54+51 via POST /api/tags and assign it to a timesheet. When an admin exports timesheets to XLSX, ArrayFormatter.formatValue joi...

CVE-2026-0814

The Advanced Contact form 7 DB plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'vszcf7exporttoexcel' function in all versions up to, and including, 2.0.9. This makes it possible for authenticated attackers, with Subscriber-level access an...

CVE-2026-40576

excel-mcp-server is a Model Context Protocol server for Excel file manipulation. A path traversal vulnerability exists in excel-mcp-server versions up to and including 0.1.7. When running in SSE or Streamable-HTTP transport mode the documented way to use this server remotely, an unauthenticated...

SUSE CVE-2026-26824

libxls through version 1.6.3 contains a use of uninitialized memory vulnerability in the OLE container parser. Memory allocated for the Master Sector Allocation Table MSAT in readMSAT is not fully initialized before being consumed by ole2validatesectorchain, which may result in application crashe...

SUSE CVE-2026-26825

A use-of-uninitialized memory vulnerability exists in libxls 1.6.3 when parsing malformed XLS files. The issue is reachable via xlsparseWorkBook and is triggered by uninitialized heap memory originating from the OLE layer ole2read. The flaw is detectable with MemorySanitizer MSAN and can lead to...

GHSA-XF4V-W5X5-PV79 Spree: CSV Formula Injection in Customer Export

Summary CSV formula injection also known as formula injection or CSV injection affects customer export. User-controlled values customer names, email addresses, and shipping addresses. When an administrator opens a crafted Export in Microsoft Excel or LibreOffice Calc, formulas embedded in user da...

Spree: CSV Formula Injection in Customer Export

Summary CSV formula injection also known as formula injection or CSV injection affects customer export. User-controlled values customer names, email addresses, and shipping addresses. When an administrator opens a crafted Export in Microsoft Excel or LibreOffice Calc, formulas embedded in user da...

CVE-2026-26825

A flaw was found in libxls. This use-of-uninitialized memory vulnerability occurs when the software processes specially crafted XLS files. An attacker could exploit this by providing a malformed XLS file, which may lead to undefined behavior, incorrect parsing logic, or potential information...

PT-2026-49156

Summary CSV formula injection also known as formula injection or CSV injection affects customer export. User-controlled values customer names, email addresses, and shipping addresses. When an administrator opens a crafted Export in Microsoft Excel or LibreOffice Calc, formulas embedded in user da...

Use of Uninitialized Variable

Overview Affected versions of this package are vulnerable to Use of Uninitialized Variable in the readMSAT function. An attacker can cause application crashes or potentially disclose sensitive information by submitting a specially crafted XLS file. Remediation There is no fixed version for libxls...

UBUNTU-CVE-2026-26824

libxls through version 1.6.3 contains a use of uninitialized memory vulnerability in the OLE container parser. Memory allocated for the Master Sector Allocation Table MSAT in readMSAT is not fully initialized before being consumed by ole2validatesectorchain, which may result in application crashe...

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-2026-26824

CVE-2026-26824 affects libxls up to version 1.6.3, where the MSAT (Master Sector Allocation Table) memory allocated during read_MSAT() is not fully initialized before use by ole2_validate_sector_chain() in the OLE container parser. This use-of-uninitialized-memory can cause application crashes or...

libxls 安全漏洞

libxls is an open-source C library designed for reading old binary OLE-formatted Excel files. Versions of libxls 1.6.3 and earlier contain security vulnerabilities. These vulnerabilities stem from the use of uninitialized memory within the OLE container resolver, which could lead to application...

CVE-2026-26824

libxls through version 1.6.3 contains a use of uninitialized memory vulnerability in the OLE container parser. Memory allocated for the Master Sector Allocation Table MSAT in readMSAT is not fully initialized before being consumed by ole2validatesectorchain, which may result in application crashe...

EUVD-2026-34178

libxls through version 1.6.3 contains a use of uninitialized memory vulnerability in the OLE container parser. Memory allocated for the Master Sector Allocation Table MSAT in readMSAT is not fully initialized before being consumed by ole2validatesectorchain, which may result in application crashe...

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...