CVE-2026-26282

6.6 MEDIUM
Published: February 19, 2026 Modified: February 20, 2026
View on NVD

Description

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 with NanaZip causes a crash or leaks heap data to the user. Version 6.0.1630.0 patches the issue.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/M2Team/NanaZip/security/advisories/GHSA-ccpc-2222-xv5c
Source: security-advisories@github.com
Exploit Third Party Advisory
https://github.com/user-attachments/files/25274143/poc.exe.zip
Source: security-advisories@github.com
Exploit

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.6 / 10.0
EPSS (Exploit Probability)
0.0%
5th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

m2team