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Vulnerability record · CVE-2026-28208 · published 26 February 2026

CVE-2026-28208: Junrar project junrar path traversal vulnerability

JJunrar Project · Junrar

Junrar is an open source java RAR archive library. Prior to version 7.5.8, a backslash path traversal vulnerability in `LocalFolderExtractor` allows an attacker to write arbitrary files with attacker-controlled content anywhere on the filesystem when a crafted RAR archive is extracted on Linux/Unix. This can often lead to remote code execution (e.g., overwriting shell profiles, source code, cron jobs, etc). Version 7.5.8 has a fix for the issue.

5.9 CVSS 3.1 Medium EPSS 0.75% · top 46.7% CWE-22 · Path traversal
5.9CVSS 3.1 base score
0.75%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Junrar is an open source java RAR archive library. Prior to version 7.5.8, a backslash path traversal vulnerability in `LocalFolderExtractor` allows an attacker to write arbitrary files with attacker-controlled content anywhere on the filesystem when a crafted RAR archive is extracted on Linux/Unix. This can often lead to remote code execution (e.g., overwriting shell profiles, source code, cron jobs, etc). Version 7.5.8 has a fix for the issue.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/junrar/junrar/commit/947ff1d33f00f940aa68ae2593500291d799d954 Patch
https://github.com/junrar/junrar/releases/tag/v7.5.8 ProductRelease Notes
https://github.com/junrar/junrar/security/advisories/GHSA-j273-m5qq-6825 ExploitVendor Advisory
https://github.com/junrar/junrar/security/advisories/GHSA-j273-m5qq-6825 ExploitVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-28208), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.