Authorization bypass through user-controlled key in eLabFTW - #VU137360
Published: July 12, 2026
Vulnerability identifier: #VU137360
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: elabftw
Affected software:
eLabFTW
eLabFTW
Detailed vulnerability description
The vulnerability allows a remote user to delete tags from any entity they can read.
The vulnerability exists due to authorization bypass through user-controlled key in the tag deletion authorization logic when handling tag deletion requests for readable entities. A remote user can send a crafted request targeting another readable entity to delete tags from any entity they can read.
The issue affects authenticated users with read-only access.
Remediation
Install security update from vendor's website.