Signal is active with 3 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
A vulnerability was found in xlnt-community xlnt up to 1.6.1. This issue affects the function xlnt::detail::compound_document_istreambuf::xsgetn of the file source/detail/cryptography/compound_document.cpp of the component XLSX File Parser. Performing a manipulation results in out-of-bounds read. The attack is only possible with local access. The exploit has been made public and could be used. The patch is named 147. It is recommended to apply a patch to fix this issue.
Priority
LOW
Exploitation
NONE
PoC
YES
Patch
NONE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
CVE-2026-3663 A vulnerability was found in xlnt-community xlnt up to 1.6.1. This issue affects the function xlnt::detail::compound_document_istreambuf::xsgetn of the file source/deta… https://www.cve.org/CVERecord?id=CVE-2026-3663
Post summary
A new CVE (CVE-2026-3663) has been disclosed for xlnt-community xlnt up to version 1.6.1, identifying a vulnerability in the xsgetn function. No exploitation, patch, or PoC details are presented.
🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-3663 - xlnt-community xlnt XLSX File compound_document.cpp xsgetn out-of-bounds Intel Report: https://ift.tt/UBV4cnH
Post summary
An alert for CVE‑2026‑3663 has been issued, pointing to an out‑of‑bounds issue in xlnt-community’s XLSX handling (compound_document.cpp xsgetn), with a link to an Intel report for further details.
CVE-2026-3663 Local Out-of-Bounds Read Vulnerability in xlnt-community XLSX File Parser https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-3663
Post summary
The passage announces CVE-2026-3663 as a local out-of-bounds read flaw in the xlnt-community XLSX parser, providing only the vulnerability type without any PoC, exploit details, or patch information.
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| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | xlnt-community | xlnt | - | - | - |