Threat Intelligence / CVE / CVE-2026-4670

CVE-2026-4670 — Progress Software MOVEit Automation

CVSS v3.1 9.8 (CRITICAL) · EPSS 0.2% (higher than 43.2% of all scored CVEs) · Priority 6.6/10 · Published 2026-04-30

As of 2026-05-01, CVE-2026-4670 is a CRITICAL-severity vulnerability in Progress Software MOVEit Automation, CVSS v3.1 9.8, EPSS 0.2% (43.2th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-4670, most recently “Progress MOVEit Automation Critical Pre-Auth Bypass and Privilege Escalation (CVE-2026-4670, CVE-2026-5174)”.

Last updated: 2026-05-01

What is CVE-2026-4670?

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.

The record classifies CVE-2026-4670 under weakness class CWE-305. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 136 days ago.

Severity and exploitation probability

CVSS v3.1 base score
9.8 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (FIRST)
0.2% probability of exploitation in the next 30 days, higher than 43.2% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
6.6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-04-30, last modified 2026-05-01

Is CVE-2026-4670 being exploited?

It currently carries a trending score of 16 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2026-4670

No vendor patch reference has been recorded for CVE-2026-4670 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-4670

1 tracked threat in the Threadlinqs corpus references CVE-2026-4670, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Seeded from cveorg and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.

Full detection coverage & IOCs for threats exploiting CVE-2026-4670 are available via the Threadlinqs MCP server (Purple tier). View plans →

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