Exploited vulnerability · CISA KEV

Is CVE-2025-8088 exploited? Yes: in CISA KEV since 12 Aug 2025

Gociux · RARLAB WinRAR · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2025-8088, RARLAB WinRAR Path Traversal Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 12 Aug 2025, 4 days after it was published. It is known to be used in ransomware campaigns. It affects RARLAB WinRAR. If you run it, CISA's required action is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

What it is

RARLAB WinRAR contains a path traversal vulnerability affecting the Windows version of WinRAR. This vulnerability could allow an attacker to execute arbitrary code by crafting malicious archive files.

What to do

1. Check whether you run it. Look for WinRAR in your asset inventory, including appliances and cloud images. Stack check lists every exploited RARLAB CVE at once.
2. Apply the fix. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 8 Aug 2025.
4. Get told next time. Email alerts when CISA adds a CVE for RARLAB.

Other exploited CVEs in WinRAR

• CVE-2025-6218: RARLAB WinRAR Path Traversal Vulnerability (9 Dec 2025)
• CVE-2023-38831: RARLAB WinRAR Code Execution Vulnerability (24 Aug 2023)
• CVE-2018-20250: WinRAR Absolute Path Traversal Vulnerability (15 Feb 2022)

References

• www.win-rar.com/singlenewsview.html
• nvd.nist.gov/vuln/detail/CVE-2025-8088

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in August 2025 · RARLAB scorecard · act-now radar.