CVE-2026-34607

HIGH

CVSS v3

7.2

HIGH

EPSS Score

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

Emlog is an open source website building system. In versions 2.6.2 and prior, a path traversal vulnerability exists in the emUnZip() function (include/lib/common.php:793). When extracting ZIP archives (plugin/template uploads, backup imports), the function calls $zip->extractTo($path) without sanitizing ZIP entry names. An authenticated admin can upload a crafted ZIP containing entries with ../ sequences to write arbitrary files to the server filesystem, including PHP webshells, achieving Remote

Technical Details

CVSS v3 Vector
3.1
Published
4/3/2026
Last Modified
4/7/2026

Frequently Asked Questions

What is CVE-2026-34607?

Emlog is an open source website building system. In versions 2.6.2 and prior, a path traversal vulnerability exists in the emUnZip() function (include/lib/common.php:793). When extracting ZIP archives (plugin/template uploads, backup imports), the function calls $zip->extractTo($path) without sanitizing ZIP entry names. An authenticated admin can upload a crafted ZIP containing entries with ../ sequences to write arbitrary files to the server filesystem, including PHP webshells, achieving Remote

Is CVE-2026-34607 actively exploited?

Active exploitation of CVE-2026-34607 has not been confirmed. The EPSS score is N/A%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-34607?

CVE-2026-34607 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string 3.1.

Is CVE-2026-34607 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.