CVE-2026-107211 – Excelize: Unchecked pivot-cache field index in extractPivotTableFields causes unrecoverable panic

​CVE ID :CVE-2026-107211

Published : Oct. 7, 2026, 6:17 p.m. | 1 hour, 42 minutes ago

Description :Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.8.1 to 2.11.0, separately parsed pivot-table field indices are used to index the pivot-cache field-name slice without bounds checks. extractPivotTableFields uses getPivotCacheFieldsName output while processing GetPivotTables and trusts the dataField fld attribute as an index. When a crafted workbook supplies a pivot-field count mismatch or an out-of-range dataField fld value before GetPivotTables is called, the unchecked index causes a Go slice-bounds panic that escapes the library, allowing an attacker to crash the process or request worker. No fixed version is available as of this review.

Severity: 8.7 | HIGH

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