CVE-2026-59161 | THREATINT

Description

Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. Prior to 2.11.0, the streaming worksheet reader used by Rows and GetRows does not enforce the TotalRows limit on the row r attribute, allowing a small XLSX file with a row number above 1048576 and no cell coordinate to make GetRows append empty rows up to the attacker-controlled index and consume excessive memory and CPU. This issue is fixed in version 2.11.0.

PUBLISHED Reserved 2026-07-02 | Published 2026-07-10 | Updated 2026-07-14 | Assigner GitHub_M

HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-400: Uncontrolled Resource Consumption

CWE-770: Allocation of Resources Without Limits or Throttling

Product status

< 2.11.0

affected

References

github.com/...celize/security/advisories/GHSA-q5j5-6p94-4gwc exploit

github.com/...celize/security/advisories/GHSA-q5j5-6p94-4gwc

github.com/qax-os/excelize/pull/2331

github.com/...ommit/93f0b3caed37f21ef5079e3259c6c21dcfe68453

github.com/qax-os/excelize/releases/tag/v2.11.0

cve.org (CVE-2026-59161)

nvd.nist.gov (CVE-2026-59161)

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