CVE WatchOct 13, 2026

CVE-2026-107225

Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.8.0 to 2.11.0, GetStyle's fill, border, and f

CVSS

6.5

Medium

EPSS

0.3%

p16

KEV

—

Exploit Today

0-100

Published: Oct 7, 2026 · Last modified: Oct 13, 2026 · CWE-20 · CWE-129

EPSS · 30d

0.2%EPSS · 30 days0.3%

2026-10-082026-10-23

Technical description

Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.8.0 to 2.11.0, GetStyle's fill, border, and font extraction predicates check only upper bounds for attacker-controlled style-table indices. File.GetStyle relies on extractStyleCondFuncs predicates that allow negative FillID, BorderID, and FontID values to reach slice indexing. When a crafted styles.xml supplies a negative fillId, borderId, or fontId and the application reads the style, a negative identifier passes the upper-bound-only predicate and becomes a negative slice index, allowing an attacker to panic while reading cell styling. No fixed version is available as of this review.

Official references

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