7-Zip ZIP File Parsing Directory Traversal Remote Code Execution Vulnerability
7-Zip · 7-Zip
A directory traversal flaw in 7-Zip's ZIP file parsing, specifically in how it handles symbolic links inside ZIP archives, allows crafted archive contents to make extraction write to unintended directories. An attacker who gets a user to open a malicious ZIP file (user interaction required, local access) can execute code in the context of a service account.
7-Zip ZIP File Parsing Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. Interaction with this product is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the handling of symbolic links in ZIP files. Crafted data in a ZIP file can cause the process to traverse to unintended directories. An attacker can leverage this vulnerability to execute code in the context of a service account. Was ZDI-CAN-26753.
- Exploited
- Yes, in VulnCheck KEV
- Reports
- 0
- Tactics
- 0/15
Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
First seen exploited 2 months after disclosure. Public exploit code (PoC-in-GitHub) was available 36 days before disclosure.
- Public exploit codePoC-in-GitHub36 days before
- Disclosedday 0
- First seen exploitedVulnCheck KEV evidence+2 mo
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
No techniques linkedNo ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.
What security researchers reported
Not named in any threat report yetAlso mentioned in 5 community threat pulses (AlienVault OTX)
Weaker evidencePulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.
- *Dormant Destruction* VirusTotal report for index.html10 May 2026
- EbeeJan2026 Pt528 Jan 2026
- Fake http://Booking.com ClickFix attack abuses Cloudflare verification to deliver malware25 Jan 2026
- React2Shell to real-world breach: How an unpatched dev server led to a Windows compromise27 Dec 2025
- From Armillaria Loader to EDR Killer12 Dec 2025