What is CVE-2026-28510?

CVE-2026-28510 is a medium-severity vulnerability in Elabftw, classified under Authentication Bypass by Assumed-Immutable Data. CVSS score: 5.9/10. Published 2026-05-05.

How severe is CVE-2026-28510?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Elabftw

CVE-2026-28510

eLabFTW is an open source electronic lab notebook. In elabftw versions through 5.4.1, the login flow did not reliably preserve the multi-factor authentication state across authentication steps. Under certain conditions, an attacker with va…

EPSS: 0.001 (20.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N.

Affected products

Elabftw — versions = 5.4.1

Weakness classification (CWE)

CWE-302 — Authentication Bypass by Assumed-Immutable Data

References

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

Frequently asked questions

What is CVE-2026-28510?: CVE-2026-28510 is a medium-severity vulnerability in Elabftw, classified under Authentication Bypass by Assumed-Immutable Data. CVSS score: 5.9/10. Published 2026-05-05.
How severe is CVE-2026-28510?: Medium severity. CVSS v3 base score is 5.9 out of 10.