Is CVE-2026-4670 in the CISA KEV catalog?

No. CVE-2026-4670 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-4670?

CVE-2026-4670 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2026-4670?

CVE-2026-4670 has an EPSS score of 5.63% (92th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-4670

CRITICALEPSS 92th pctl

9.8

CVSS v3

NVD

Description

Authentication bypass by primary weakness vulnerability in Progress Software MOVEit Automation allows Authentication Bypass. This issue affects MOVEit Automation: from 2025.0.0 before 2025.0.9, from 2024.0.0 before 2024.1.8, versions prior to 2024.0.0.

CWE-305

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

5.63%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

https://community.progress.com/s/article/MOVEit-Automation-Critical-Security-Alert-Bulletin-April-2026-CVE-2026-4670-CVE-2026-5174

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-04.