CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- RARLAB UnRAR Directory Traversal Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
RARLAB UnRAR before 6.12 on Linux and UNIX allows directory traversal to write to files during an extract (aka unpack) operation, as demonstrated by creating a ~/.ssh/authorized_keys file. NOTE: WinRAR and Android RAR are unaffected.
Affected products
rarlab: unrar; linux: linux kernel; opengroup: unix; debian: debian linux
References10
- www.rarlab.com/rar/rarlinux-x32-612.tar.gz Patch
- www.rarlab.com/rar/rarlinux-x32-612.tar.gz Patch
- packetstormsecurity.com/files/167989/Zimbra-UnRAR-Path-Traversa… ExploitThird Party AdvisoryVDB Entry
- blog.sonarsource.com/zimbra-pre-auth-rce-via-unrar-0day/ ExploitThird Party Advisory
- packetstormsecurity.com/files/167989/Zimbra-UnRAR-Path-Traversa… ExploitThird Party AdvisoryVDB Entry
- blog.sonarsource.com/zimbra-pre-auth-rce-via-unrar-0day/ ExploitThird Party Advisory
- lists.debian.org/debian-lts-announce/2023/08/msg00022.html Mailing ListThird Party Advisory
- security.gentoo.org/glsa/202309-04 Third Party Advisory
- www.rarlab.com/rar_add.htm Product
- lists.debian.org/debian-lts-announce/2023/08/msg00022.html Mailing ListThird Party Advisory
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - EPSS — exploit probability
- 99% percentile: 100 · as of 2 November 2026
- CWE
- CWE-22CWE-59