What is the CVSS score of CVE-2026-27014?

CVE-2026-27014 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of Nanazip are affected by CVE-2026-27014?

Organizations using version 5.0.1252.0 and should be aware of moderate risk from CVE-2026-27014 rated CVSS 5.5. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2026-27014?

Yes, a public proof-of-concept exploit is available for CVE-2026-27014. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-27014?

Within 30 days: Identify affected systems running version 5.0.1252.0 and and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Nanazip CVE-2026-27014

MEDIUM

Uncontrolled Recursion (CWE-674)

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

Stack Overflow Nanazip

5.5

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

5.5 MEDIUM

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:03 vuln.today

PoC Detected

Feb 20, 2026 - 19:27 vuln.today

Public exploit code

CVE Published

Feb 19, 2026 - 21:18 nvd

MEDIUM 5.5

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, and deeply nested directories cause unbounded recursion (stack overflow) in the ROMFS archive parser. Version 6.0.1630.0 patches the issue.

AnalysisAI

NanaZip versions 5.0.1252.0 through 6.0.1629.0 are vulnerable to denial of service through malformed ROMFS archives that trigger infinite loops via circular offset chains or stack overflow via deeply nested directory structures. Public exploit code exists for this vulnerability, allowing local attackers to crash the application and cause a denial of service. No patch is currently available.

Technical ContextAI

Classified as CWE-674 (Uncontrolled Recursion). 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, and deeply nested directories cause unbounded recursion (stack overflow) in the ROMFS archive parser. Version 6.0.1630.0 patches the issue.