Integer overflow in M2team Nanazip

CVE-2026-27710

NanaZip is an open source file archive. Starting in version 5.0.1252.0 and prior to versions 6.0.1638.0 and 6.5.1638.0, a denial-of-service vulnerability exists in NanaZip’s `.NET Single File Application` parser. A crafted bundle can force…

EPSS: 0.001 (2.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H.

Affected products

  • M2team Nanazip — versions >= 5.0.1252.0, < 6.0.1638.0, >= 6.1, < 6.5.1638.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-27710?
CVE-2026-27710 is a medium-severity vulnerability in M2team Nanazip, classified under Integer Underflow. CVSS score: 5.0/10. Published 2026-02-26.
How severe is CVE-2026-27710?
Medium severity. CVSS v3 base score is 5.0 out of 10.