CVE-2026-59162

HighCVSS 7.5/10Last modified Oct 25, 2026

Description

Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. Prior to 2.11.0, Excelize parses shared-string cell values with strconv.Atoi and checks only the upper bound before indexing the shared string slice, allowing an XLSX file containing a shared-string cell with -1 to trigger sharedStrings[-1] and panic when read through GetCellValue or GetRows. This issue is fixed in version 2.11.0.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-248 CWE-755

Affected software

Vendor	Product	Versions
qax-os	excelize	< 2.11.0

References

https://github.com/qax-os/excelize/commit/93f0b3caed37f21ef5079e3259c6c21dcfe68453Patch
https://github.com/qax-os/excelize/pull/2331Issue Tracking, Patch
https://github.com/qax-os/excelize/releases/tag/v2.11.0Release Notes
https://github.com/qax-os/excelize/security/advisories/GHSA-fx5j-qcqg-grpfExploit, Vendor Advisory
https://github.com/qax-os/excelize/security/advisories/GHSA-fx5j-qcqg-grpfExploit, Vendor Advisory

Timeline

Published: Jul 10, 2026
Last modified: Oct 25, 2026
NVD status: Analyzed

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