How severe is CVE-2026-27014?

CVE-2026-27014 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-27014 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27014?

CVE-2026-27014 affects M2team Nanazip. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-27014?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-27014 have an EU (EUVD) identifier?

Yes. CVE-2026-27014 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8314.

When was CVE-2026-27014 published?

CVE-2026-27014 was published on 2026-02-19 and last updated on 2026-06-17.

CVE-2026-27014

CVE-2026-27014 is a medium-severity vulnerability in M2team Nanazip with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-674.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v4: 5.1
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8314
Weakness: CWE-674
Affected product: M2team Nanazip
Published: 2026-02-19
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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 `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.
How severe is CVE-2026-27014?: CVE-2026-27014 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-27014 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27014?: CVE-2026-27014 affects M2team Nanazip. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-27014?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27014 have an EU (EUVD) identifier?: Yes. CVE-2026-27014 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8314.
When was CVE-2026-27014 published?: CVE-2026-27014 was published on 2026-02-19 and last updated on 2026-06-17.

References

https://github.com/M2Team/NanaZip/security/advisories/GHSA-fc89-3f57-h9q5

Affected products (1)

cpe:2.3:a:m2team:nanazip:*:*:*:*:*:*:*:*

More vulnerabilities in M2team Nanazip

CVE-2026-27114 — High (CVSS 7.5): NanaZip is an open source file archive. Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, circular…
CVE-2026-27711 — Medium (CVSS 6.6): NanaZip is an open source file archive. Starting in version 5.0.1252.0 and prior to versions 6.0.1638.0 and 6.5.1638.0,…
CVE-2026-27709 — Medium (CVSS 6.6): NanaZip is an open source file archive. Starting in version 5.0.1252.0 and prior to versions 6.0.1638.0 and 6.5.1638.0,…
CVE-2026-26282 — Medium (CVSS 6.6): 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…
CVE-2026-27710 — Medium (CVSS 5.0): NanaZip is an open source file archive. Starting in version 5.0.1252.0 and prior to versions 6.0.1638.0 and 6.5.1638.0,…
CVE-2026-44215 — Medium (CVSS 4.4): NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, a one-byte heap out-of-bounds null write…

All CVEs affecting M2team Nanazip →

Other CWE-674 (Uncontrolled Recursion) vulnerabilities

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CVE-2021-41752 — Critical (CVSS 9.8): Stack overflow vulnerability in Jerryscript before commit e1ce7dd7271288be8c0c8136eea9107df73a8ce2 on Oct 20, 2021 due…
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