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Vulnerabilities CVE-2026-73849

CVE-2026-73849

Critical
Open
TLP:CLEAR

emlog allows unauthenticated reinstallation via `install.php?action=reinstall`.

AI Analysis

No AI analysis yet.

Description

Emlog is an open source website building system. In 2.6.26 and earlier, install.php accepts action=reinstall without authentication and deliberately skips the already-installed check because the guard runs only when $act != 'reinstall'. A remote attacker can submit hostname, dbuser, dbpasswd, dbname, dbprefix, username, password, and email values to cause file_put_contents('config.php', $config) to overwrite the configuration with attacker-controlled database settings and create a new administrator account. No fixed version is available as of this review.

Details

CVSS Score
9.8
EPSS Score
0.48%

39.6th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
Aug 14, 2026
Last Modified
Aug 18, 2026
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