What is the CVSS score of CVE-2026-27114?

CVE-2026-27114 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of Nanazip are affected by CVE-2026-27114?

Nanazip versions through 6.0.1630.0 contain a critical infinite loop vulnerability that can be triggered remotely to cause denial of service, potentially disrupting operations for any organization…

Is there a public PoC exploit available for CVE-2026-27114?

Yes, a public proof-of-concept exploit is available for CVE-2026-27114. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-27114?

Within 24 hours: Inventory all systems running Nanazip and assess exposure; restrict administrative access to the application. Within 7 days: Deploy network-level controls to limit Nanazip's ability to process untrusted archive files; consider disabling the application if not business-critical. Within 30 days: Monitor vendor for patch availability; evaluate alternative compression tools; establish secure update procedures for deployment once patch is released.

Nanazip CVE-2026-27114

HIGH

Loop with Unreachable Exit Condition (Infinite Loop) (CWE-835)

2026-02-19 security-advisories@github.com

Denial Of Service Nanazip

7.5

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:03 vuln.today

PoC Detected

Feb 26, 2026 - 00:16 vuln.today

Public exploit code

CVE Published

Feb 19, 2026 - 21:18 nvd

HIGH 7.5

DescriptionGitHub Advisory

NanaZip is an open source file archive. Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, circular NextOffset chains cause an infinite loop in the ROMFS archive parser. Version 6.0.1630.0 patches the issue.

AnalysisAI

Nanazip versions up to 6.0.1630.0 is affected by loop with unreachable exit condition (infinite loop) (CVSS 7.5).

Technical ContextAI

This vulnerability (CWE-835: Loop with Unreachable Exit Condition (Infinite Loop)) affects Nanazip. NanaZip is an open source file archive. Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, circular NextOffset chains cause an infinite loop in the ROMFS archive parser. Version 6.0.1630.0 patches the issue.