CVE-2026-107223 Excelize - Denial of Service

Excelize 2.1.0 to 2.11.0 contains a denial of service caused by improper validation of column range limits in flatCols, letting attackers consume excessive CPU and memory via crafted worksheet columns, exploit requires invoking a column mutator.

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-789

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

← All CVEs