CVE-2026-28510 elabftw allows MFA bypass during login
Attackers with valid credentials can bypass multi-factor authentication to gain unauthorized access to eLabFTW accounts.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-28510?
CVE-2026-28510 is a medium-severity authentication bypass vulnerability in elabftw, published on 5 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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 valid primary credentials could complete authentication with an attacker-controlled TOTP secret and bypass the additional factor. This could result in unauthorized account access. This issue is fixed in version 5.4.2.
Weakness: CWE-302
Which versions are affected by CVE-2026-28510?
It affects 1 product.
Products include Elabftw Elabftw.
How do I fix CVE-2026-28510?
No fix has been published for CVE-2026-28510 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-28510 being exploited?
There is no known exploitation of CVE-2026-28510 in the wild and no public exploit code.
Other vulnerabilities in elabftw
- CVE-2021-43834 Incorrect Authentication in elabftw
- CVE-2024-28100 Stored Cross-site Scripting leading to arbitrary actions taken on behalf of users in elabftw
- CVE-2019-12185 File upload in n/a
- CVE-2024-25632 Unauthorised granting of administrator privileges over arbitrary teams under certain circumstances
- CVE-2025-25206 Incorrect input validation could allow an authenticated user to read sensitive information
Sources
Also known as GHSA-x5wv-c9q4-fj65.