CVE-2026-4670 | Improper Authentication vulnerability in Progress MOVEit Automation

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.

Published: 2026-04-30 Last update: 2026-05-04 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2026-4670 is rated Moderate Risk (54.2/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.21%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-4670

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-25 0.27% 0.21% -0.06%
2 2026-05-22 0.19% 0.27% +0.08%
3 2026-05-05 — 0.19% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-4670

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]

Weakness enumeration for CVE-2026-4670

GitHub Security Advisory for CVE-2026-4670

GHSA-2cqj-hxr6-hc5p · Severity: critical — Authentication bypass by primary weakness vulnerability in Progress Software MOVEit Automation...

Affected software / configurations for CVE-2026-4670

Vendor Product Version Raw CPE
progress moveit_automation < 2024.1.8 cpe:2.3:a:progress:moveit_automation:*:*:*:*:*:*:*:*
progress moveit_automation >= 2025.0.0, < 2025.1.5 cpe:2.3:a:progress:moveit_automation:*:*:*:*:*:*:*:*

References for CVE-2026-4670

cvelogic Threat Intelligence