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CVE-2025-55188

LowPublished

7-Zip before 25.01 does not always properly handle symbolic links during extraction.

Published: Aug 8, 2025
Updated: Nov 4, 2025
Assigning CNA: mitre
Evidence observed: Aug 8, 2026

Primary CVSS

3.6/ 10Low

nvd · CVSS 3.1

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

EPSS probability estimate

1.0%

Low · next 30 days

Percentile: 61.2%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

7-Zip before 25.01 does not always properly handle symbolic links during extraction.

Sources

CVE-2025-55188PoC
Proof-of-concept exploit for CVE-2025-55188 demonstrating arbitrary file write in 7-Zip via symlink path traversal, with escalation to arbitrary code execution.
CVE-2025-55188-7z-exploitPoC
Proof-of-concept exploit for CVE-2025-55188 demonstrating arbitrary file write via symlink traversal in vulnerable 7-Zip versions prior to 25.01.

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