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Vulnerabilities

Security fix · CVE-2026-27014

NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, circular chains cause an infinite loop, and deeply nested directories cause u

Published Feb 19, 2026 · catalog updated Feb 20, 2026 · M2Team NanaZip

Last checked Nov 12, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-27014. EPSS is 0.18%. Act only if a listed version of M2Team NanaZip is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.18%
Remediation
Version ranges on file
Affected products
vendor M2Team NanaZip 5.0.1252.0, < 6.0.1630.0

NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, circular 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor M2Team NanaZip 5.0.1252.0, < 6.0.1630.05.0.1252.0, < 6.0.1630.0

How to fix CVE-2026-27014

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-27014. EPSS is 0.18%. Act only if a listed version of M2Team NanaZip is installed.

Which versions are affected?

Compare what you have installed with M2Team NanaZip 5.0.1252.0, < 6.0.1630.0 5.0.1252.0, < 6.0.1630.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 19, 2026 · EUVD

    Detected

    NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, circular 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.

  2. Feb 20, 2026 · EUVD

    Updated

    NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, circular 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.

Sources

  • CVE.orgVulnerability recordCVE-2026-27014

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-27014

    30-day exploitation probability 0.18%

    first.org
  • EUVDVulnerability recordEUVD-2026-8314

    NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, circular 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 issu

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 12, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 9, 2026
  • CVE.orgNov 9, 2026
  • EUVDNov 9, 2026