What is the CVSS score of CVE-2026-1670?

CVE-2026-1670 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2026-1670?

Within 24 hours: Inventory all affected systems and notify users of the vulnerability; disable the 'forgot password' feature if operationally feasible or restrict API access via network controls. Within 7 days: Deploy WAF rules to block unauthenticated access to password recovery endpoints and implement rate limiting on API requests; conduct audit logs for evidence of exploitation. Within 30 days: Mandate password resets for all users; monitor for patches from the vendor and apply immediately upon release; implement multi-factor authentication as a compensating control.

CVE-2026-1670

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2026-02-17 ics-cert@hq.dhs.gov

Authentication Bypass

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Feb 17, 2026 - 23:16 nvd

CRITICAL 9.8

DescriptionCVE.org

The affected products are vulnerable to an unauthenticated API endpoint exposure, which may allow an attacker to remotely change the "forgot password" recovery email address.