SecuriTricks - CVE-2026-26282

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.

Product(s) Impacted

Vendor	Product	Versions
M2team	Nanazip	*

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

CWE-126

Buffer Over-read

The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	m2team	nanazip	/	/	/	/	/	/	/	/

References

https://github.com/M2Team/NanaZip/security/advisories/GHSA-ccpc-2222-xv5c

https://github.com/user-attachments/files/25274143/poc.exe.zip

CVSS Score

5.2 / 10

CVSS Data - 4.0

Attack Vector: LOCAL
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: LOW
User Interaction: PASSIVE
Scope:
Confidentiality Impact: LOW
Integrity Impact: NONE
Availability Impact: HIGH
Exploit Maturity: NOT_DEFINED

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

View Vector String

Timeline

Published: Feb. 19, 2026, 9:18 p.m.
Last Modified: Feb. 20, 2026, 7:42 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-26282