What is CVE-2026-27114?

CVE-2026-27114 is a high-severity vulnerability in M2team Nanazip, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2026-02-19.

How severe is CVE-2026-27114?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in M2team Nanazip

CVE-2026-27114

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.

EPSS: 0.003 (18.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

M2team Nanazip — versions >= 5.0.1252.0, < 6.0.1630.0

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
security-advisories@github.com (Exploit, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-27114?: CVE-2026-27114 is a high-severity vulnerability in M2team Nanazip, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2026-02-19.
How severe is CVE-2026-27114?: High severity. CVSS v3 base score is 7.5 out of 10.