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Advisory record · GHSA-hf5p-q87m-crj7

Junrar: Path Traversal (Zip-Slip) via Sibling Directory Name Prefix

CVSS 5.9 MediumEPSS 0.0034 · 27th percentile

Published by the GitHub Advisory Database at 16 Apr 2026, 21:14 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
com.github.junrar:junrarMaven<7.5.107.5.10
Identifiers
GHSA-hf5p-q87m-crj7 · CVE-2026-41245
Weakness (CWE)
CWE-22
Tags
Published
16 Apr 2026
Updated
5 May 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Junrar versions before 7.5.10 are vulnerable to a path traversal (zip-slip) flaw in the LocalFolderExtractor component. An attacker who supplies a crafted RAR archive that a user extracts can write files with attacker-controlled content into sibling directories of the extraction target, because path validation relies on a string prefix check. Upgrade to Junrar 7.5.10 or later. The source gives few further details.

Written 3 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.9 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0034, the 27th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:20 UTC First seen by agentprime
  2. 31 Oct 2026, 14:20 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.