What is CVE-2026-26282?

CVE-2026-26282 is a medium-severity vulnerability in M2team Nanazip, classified under Buffer Over-read. CVSS score: 6.6/10. Published 2026-02-19.

How severe is CVE-2026-26282?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Out-of-bounds Read in M2team Nanazip

CVE-2026-26282

NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, NanaZip has an out-of-bounds heap read in `.NET Single File` bundle header parser due to missing bounds check. Opening a crafted file wi…

EPSS: 0.002 (6.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H.

Affected products

M2team Nanazip — versions >= 5.0.1252.0, < 6.0.1630.0

Weakness classification (CWE)

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-2026-26282?: CVE-2026-26282 is a medium-severity vulnerability in M2team Nanazip, classified under Buffer Over-read. CVSS score: 6.6/10. Published 2026-02-19.
How severe is CVE-2026-26282?: Medium severity. CVSS v3 base score is 6.6 out of 10.