What is CVE-2026-28511?

CVE-2026-28511 is a medium-severity vulnerability in Elabftw, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-06-01.

How severe is CVE-2026-28511?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Elabftw

CVE-2026-28511

eLabFTW is an open source electronic lab notebook. Prior to version 5.4.2, in certain cases, an authenticated user performing a numeric reference/search can return results that include resources the requesting user is not authorized to vie…

Vulnerability class: Information Disclosure

EPSS: 0.000 (8.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Elabftw — versions < 5.4.2

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-28511?: CVE-2026-28511 is a medium-severity vulnerability in Elabftw, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-06-01.
How severe is CVE-2026-28511?: Medium severity. CVSS v3 base score is 4.3 out of 10.