What is CVE-2026-42355?

CVE-2026-42355 is a low-severity vulnerability in M2team Nanazip, classified under Uncontrolled Recursion. CVSS score: 3.3/10. Published 2026-05-12.

How severe is CVE-2026-42355?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in M2team Nanazip

CVE-2026-42355

NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, an uncontrolled recursion vulnerability exists in the Electron Archive (ASAR) parser in NanaZip. When opening a crafted .asar file with deeply nested JSON in the…

EPSS: 0.000 (2.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

Affected products

M2team Nanazip — versions >= 5.0.1250.0, < 6.0.1698.0

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

References

security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-42355?: CVE-2026-42355 is a low-severity vulnerability in M2team Nanazip, classified under Uncontrolled Recursion. CVSS score: 3.3/10. Published 2026-05-12.
How severe is CVE-2026-42355?: Low severity. CVSS v3 base score is 3.3 out of 10.