CVE-2026-41245: junrar Path Traversal — Fix

Description

Junrar is an open source java RAR archive library. Prior to version 7.5.10, a path traversal vulnerability in `LocalFolderExtractor` allows an attacker to write arbitrary files with attacker-controlled content into sibling directories when a crafted RAR archive is extracted. Version 7.5.10 fixes the issue.

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CVSS v3.1 Score

5.9

MEDIUM

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

EPSS — Exploit Prediction

0.0005

Probability of exploitation

0.16%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
junrar_project	junrar	< 7.5.10

References

Advisories & Patches

https://github.com/junrar/junrar/commit/d77e9a83eb721cd51f9c23d7869d0e6ad7f952d7 https://github.com/junrar/junrar/security/advisories/GHSA-hf5p-q87m-crj7

Other References

https://github.com/junrar/junrar/releases/tag/v7.5.10

Frequently Asked Questions

What is CVE-2026-41245? +

Junrar is an open source java RAR archive library. Prior to version 7.5.10, a path traversal vulnerability in `LocalFolderExtractor` allows an attacker to write arbitrary files with attacker-controlled content into sibling directories when a crafted RAR archive is extracted. Version 7.5.10 fixes the issue. It has a CVSS v3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2026-41245? +

CVE-2026-41245 has a CVSS v3.1 score of 5.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0005, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-41245? +

CVE-2026-41245 affects products from junrar_project, specifically: junrar. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-41245? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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