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).

Unlock full vulnerability intelligence

Risk assessment & exploitation conditions
Attack chain visualization
Remediation with exact patch versions
Threat intelligence from 22 sources
Personal watchlist & email alerts

Continue with Google Continue with GitHub

Free forever · No credit card required

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Craft malicious ROMFS archive with circular NextOffset

Exploit

Upload or distribute archive file

Execution

NanaZip parser enters infinite loop

Impact

Application becomes unresponsive and crashes

Access

Craft malicious ROMFS archive with circular NextOffset

Exploit

Upload or distribute archive file

Execution

NanaZip parser enters infinite loop

Impact

Application becomes unresponsive and crashes

Vulnerability AssessmentAI

Exploitation	NanaZip versions 5.0.1252.0 through 6.0.1629.x must be installed. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	CVSS 7.5 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	An attacker could exploit this vulnerability to compromise the affected system.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Inventory all systems running Nanazip and assess exposure; restrict administrative access to the application. …

Threat intelligence, references, and detailed analysis are available after sign-in.

More from same product – last 7 days

CVE-2026-47222 MEDIUM This Month

5.4 Jun 12

Heap out-of-bounds read in NanaZip's Android Verified Boot (AVB) vbmeta image parser crashes the application and may lea

CVE-2026-47223 MEDIUM This Month

5.4 Jun 12

Heap out-of-bounds read in NanaZip's Android Verified Boot (AVB) vbmeta image parser allows unauthenticated remote attac

CVE-2026-47224 MEDIUM This Month

4.3 Jun 12

Heap out-of-bounds read in NanaZip's inherited 7-Zip LvmHandler component allows an unauthenticated remote attacker to c

CVE-2026-27114 vulnerability details – vuln.today

Back

Nanazip CVE-2026-27114

Severity by source

CVSS VectorGitHub Advisory

Lifecycle Timeline

DescriptionGitHub Advisory

AnalysisAI

Unlock full vulnerability intelligence

Attack ChainAIDerived

Vulnerability AssessmentAI

Recommended ActionAI

More from same product – last 7 days

Share

External POC / Exploit Code