CVE-2026-26282

MEDIUM EPSS 6.9%
Published Feb 19, 20264mo ago · Modified Jun 17, 20262w ago
5.2 CVSS 4.0
Medium
Find Similar
Published Feb 19, 2026 4mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.2
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
6.9% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-125 Out-of-bounds Read Memory Safety
CWE-126

Affected Products 1

VendorProductVersionRange
m2teamnanazip*≥5.0.1252.0  –  <6.0.1630.0

References 2

  • github.com https://github.com/M2Team/NanaZip/security/advisories/GHSA-ccpc-2222-xv5c
    ExploitThird Party Advisory
  • github.com https://github.com/user-attachments/files/25274143/poc.exe.zip
    Exploit

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.