CVE-2026-27014: m2team Nanazip

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, circular `NextOffset` chains cause an infinite loop, and deeply nested directories cause unbounded recursion (stack overflow) in the ROMFS archive parser. Version 6.0.1630.0 patches the issue.

Affected products

• m2team Nanazip: from 5.0.1252.0, before 6.0.1630.0 (fixed in 6.0.1630.0)

Published 2026-02-19. Last modified 2026-06-17.