CVE-2026-27114: m2team Nanazip

High severity, CVSS 7.5. EPSS: 0.3% 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 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.