Junrar: Path Traversal (Zip-Slip) via Sibling Directory Name Prefix
Priority LOW 33CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00336 27th percentileScored 2026-11-07
Fix Partial junrar (junrar): 7.5.10com.github.junrar:junrar (Maven): 7.5.10Red Hat: 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| junrar | junrar | before 7.5.10 | 7.5.10 | Patch available | CNA |
| — | com.github.junrar:junrar (Maven) | before 7.5.10 | 7.5.10 | Patch available | GHSA-hf5p-q87m-crj7 |
- junrar Vendorjunrar Affected before 7.5.10 Fixed in 7.5.10 Patch available CNA
- com.github.junrar:junrar (Maven) Vendor— Affected before 7.5.10 Fixed in 7.5.10 Patch available GHSA-hf5p-q87m-crj7
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:junrar_project:junrar:*:*:*:*:*:*:*:* | before 7.5.10 | Vulnerable | Junrar Project |
- cpe:2.3:a:junrar_project:junrar:*:*:*:*:*:*:*:* Versions before 7.5.10 Vulnerable ·Junrar Project
Remediation
- Fix · CNA junrar (junrar) Fixed in 7.5.10
- Fix · GHSA-hf5p-q87m-crj7 com.github.junrar:junrar (Maven) Fixed in 7.5.10 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Fuse 7 | Affected | No fix planned: Will not fix |
Not affected: 2 products
- Red Hat JBoss Enterprise Application Platform 8
- Red Hat JBoss Enterprise Application Platform Expansion Pack
Timeline
- 2026-10-02 Threatist record created from CVE-2026-41245
- 2026-10-03 Alias added: GHSA-hf5p-q87m-crj7
References
Advisory 2
More junrar vulnerabilities
- TI-2026-74659 Infinite CPU loop in Junrar RAR4 extraction through RarVM jumps CVSS 3.1HIGH 7.5
- TI-2026-58877 Junrar: LocalFolderExtractor mkdir escape allows directory creation outside extraction root CVSS 3.1LOW 3.7
Sources
- CVE-2026-41245 · CVE Program
- CVE-2026-41245 · NVD
- FIRST EPSS
- GHSA-hf5p-q87m-crj7 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-41245 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences