Home/CVE/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 ou
CVE

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 ou

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.

MEDIUM · CVSS 6.6 EPSS 0.00028
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
CWE-126Buffer Over-read
▤

Affected Products & Versions

1
m2team nanazip>= 5.0.1252.0 and < 6.0.1630.0
⚠

Public Exploits & PoCs

2
pocgithub.com · GHSA-ccpc-2222-xv5cgithub.com
pocgithub.com · poc.exe.zipgithub.com
▣

Scoring & Timeline

6.6
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Feb 2026 · 09:18 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
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