VulnerabilityAnalyzed
CVE-2026-3665
A vulnerability was identified in xlnt-community xlnt up to 1.6.1.
LOW 1.9EPSS 0.21%
Does this matter?
Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.
Description
A vulnerability was identified in xlnt-community xlnt up to 1.6.1. The affected element is the function xlnt::detail::xlsx_consumer::read_office_document of the file source/detail/serialization/xlsx_consumer.cpp of the component XLSX File Parser. The manipulation leads to null pointer dereference. The attack must be carried out locally. The exploit is publicly available and might be used.
- CVSS 4.0
- 1.9 LOWCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.21% probability · 11th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-404, CWE-476
- Affected
- xlnt-community/xlnt
- Source
- cna@vuldb.com
References
- https://github.com/oneafter/0128/blob/main/xl4/reproExploit
- https://github.com/xlnt-community/xlnt/Product
- https://github.com/xlnt-community/xlnt/issues/140Exploit, Issue Tracking, Vendor Advisory
- https://vuldb.com/?ctiid.349554Permissions Required, VDB Entry
- https://vuldb.com/?id.349554Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.764647Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.