Is CVE-2026-41574 actively exploited?

No active exploitation of CVE-2026-41574 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-41574 be exploited remotely?

Yes. CVE-2026-41574 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-41574?

CVE-2026-41574 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2026-41574

CWE-287Published: May 8, 2026· Updated: May 13, 2026

9.8

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:2.3th

Official Description

Nhost is an open source Firebase alternative with GraphQL. Prior to version 0.49.1, Nhost automatically links an incoming OAuth identity to an existing Nhost account when the email addresses match. This is only safe when the email has been verified by the OAuth provider. Nhost's controller trusts a profile.EmailVerified boolean that is set by each provider adapter. The vulnerability is that several provider adapters do not correctly populate this field they either silently drop a verified field the provider API actually returns (Discord), or they fall back to accepting unconfirmed emails and marking them as verified (Bitbucket). Two Microsoft providers (AzureAD, EntraID) derive the email from non-ownership-proving fields like the user principal name, then mark it verified. The result is that an attacker can present an email they don't own to Nhost, have the OAuth identity merged into the victim's account, and receive a full authenticated session. This issue has been patched in version 0.49.1.

NVD Source

Technical Analysis

CVE-2026-41574 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.