High severity · published Apr 20, 2026
CVE-2026-41245
Junrar: Path Traversal (Zip-Slip) via Sibling Directory Name Prefix
7.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JU
junrar · junrar
< 7.5.10 · source: vendor, NVD
RH
Red Hat Fuse 7 · Red Hat
All versions, or not specified · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-41245
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-41245
Patch
https://github.com/junrar/junrar/commit/d77e9a83eb721cd51f9c23d7869d0e6ad7f952d7
Release Notes
https://github.com/junrar/junrar/releases/tag/v7.5.10
Vendor Advisory
https://github.com/junrar/junrar/security/advisories/GHSA-hf5p-q87m-crj7
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-41245
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2459769
security.access.redhat.com
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41245.json
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7.5
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Junrar: RarVM VM_JMP maxOpCount bypass causes infinite CPU loop during RAR4 extraction
5.9
CVE-2026-28208
Junrar has arbitrary file write due to backslash path traversal bypass in LocalFolderExtractor on Linux/Unix
3.7
CVE-2026-86071
Junrar: LocalFolderExtractor mkdir escape allows directory creation outside extraction root