CVE-2026-107217 Excelize - Denial of Service

Excelize 2.0.0 to 2.11.0 and 1.1.0 to 1.4.1 contains a denial of service caused by integer overflow in ColumnNameToNumber leading to negative slice index panic during worksheet normalization, letting attackers terminate the process, exploit requires crafted worksheet with long column name.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.34% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
7 October 2026
Updated
15 October 2026
Weakness
CWE-129

Vendor fix

Update to the latest version once a fix is available.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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