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MOVEit Transfer EUVDEUVD-2026-42381

| CVE-2026-8651 HIGH
Authentication Bypass by Spoofing (CWE-290)
2026-07-08 security@progress.com GHSA-rwjf-g383-jc9c
7.5
CVSS 3.1 · NVD
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Reach MOVEit HTTPS endpoint over network
  2. Delivery
    Craft request with spoofed identity token
  3. Exploit
    Bypass authentication check (CWE-290)
  4. Execution
    Assume trusted identity (limited)
  5. Impact
    Tamper with data or actions (integrity impact)

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Anti-spoofing controls
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Requires network reachability to the MOVEit Transfer HTTPS (web) module, which is the exact affected component named in the CVE; per the CVSS vector (AV:N/AC:L/PR:N/UI:N) no authentication, no user interaction, and no special non-default configuration is documented, so a standard internet- or intranet-exposed MOVEit Transfer HTTPS listener on an unpatched version (before 2025.0.7, or 2025.1.0-2025.1.2) is sufficient. Limiting factors: the vendor characterizes it as a 'limited' bypass with partial technical impact (SSVC) and integrity-only effect (C:N/A:N), so an attacker gains constrained identity assumption rather than full account takeover or data exfiltration; SSVC also rates it Automatable: no, indicating exploitation is not trivially scalable across targets.

Impact

Signals are mixed and lean toward moderate, patch-soon rather than emergency. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) describes a low-complexity, network-reachable, unauthenticated attack - attractive on paper - but impact is constrained to integrity (I:H) with no confidentiality or availability effect, and the vendor scopes it as a 'limited' bypass. EPSS is low at 0.22% (12th percentile), and CISA SSVC records Exploitation: none, Automatable: no, Technical Impact: partial, and it is not on the KEV list - no public exploit identified at time of analysis. These corroborate a real but not-yet-weaponized risk. The tension to flag: MOVEit Transfer is a repeated mass-exploitation target (historically), so a low EPSS today can understate future risk if exploit code emerges; the 'no public exploit' and low EPSS reflect current state, not an upper bound. Treat as high priority for MFT operators despite modest scoring signals.

Exploit ScenarioDerived

A remote attacker with no credentials sends crafted HTTPS requests to an internet-exposed MOVEit Transfer web endpoint, presenting a forged or spoofed authentication indicator that the server trusts, thereby assuming another identity to a limited degree and tampering with data or actions permitted to that identity. No user interaction or prior authentication is required (PR:N/UI:N), and attack complexity is low; however, no public exploit code has been identified at time of analysis.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv3 – Jul 09, 2026

Authentication bypass by spoofing in Progress MOVEit Transfer's HTTPS module allows remote unauthenticated attackers to impersonate or partially bypass identity verification, compromising integrity (CVSS 7.5, I:H) without exposing or destroying data (C:N/A:N). The flaw affects MOVEit Transfer builds before 2025.0.7 and the 2025.1.x line before 2025.1.3; a vendor patch is available. There is no public exploit identified at time of analysis and CISA SSVC records exploitation status as none, but MOVEit Transfer's history as a mass-exploitation target warrants prompt patching.

Earlier versions of this analysis (2)
v2 Jul 09, 2026 - 19:34 cvss changed CVSS 7.5

Authentication bypass by spoofing in the HTTPS module of Progress MOVEit Transfer allows a remote, unauthenticated attacker to partially circumvent identity verification and tamper with data integrity. The flaw affects MOVEit Transfer versions before 2025.0.7 and the 2025.1.x branch before 2025.1.3, is network-reachable with low attack complexity, and carries a CVSS 7.5 rating driven purely by a high integrity impact. It is not in CISA KEV and has no public exploit identified at time of analysis, with a low EPSS score (0.22%, 12th percentile) and CISA SSVC marking exploitation as 'none'.

v1 Jul 08, 2026 - 21:02 CVSS 3.7

Authentication bypass via spoofing in Progress MOVEit Transfer's HTTPS module allows unauthenticated remote attackers to partially circumvent access controls, resulting in limited unauthorized integrity modifications. Affected versions span the 2025.0.x branch (before 2025.0.7) and the 2025.1.x branch (before 2025.1.3). No public exploit identified at time of analysis, and this vulnerability is not listed in the CISA KEV catalog; however, MOVEit Transfer's historical profile as a high-value target warrants prompt patching despite the low CVSS score.

RemediationAI

Vendor-released patch: upgrade to MOVEit Transfer 2025.0.7 (for the pre-2025.1 line) or 2025.1.3 (for the 2025.1.x line), whichever matches your deployment, as documented in the Progress fixed-issues notes at https://docs.progress.com/bundle/moveit-transfer-release-notes-2026/page/Fixed-Issues-in-2026.html. Because the flaw is in the HTTPS module and reachable by unauthenticated network clients, if immediate patching is not possible restrict exposure of the MOVEit web/HTTPS interface to trusted networks or a VPN and place it behind a WAF or reverse proxy that can inspect and reject spoofed authentication artifacts, accepting that this may block legitimate external partners who rely on direct HTTPS access. Increase monitoring of authentication and session logs for anomalous or replayed identity tokens, and confirm the fixed build is running after upgrade since there is no reliable compensating control that fully substitutes for the patch.

Affected VersionsENISA

MOVEit Transfer 0 <2025.0.7
MOVEit Transfer 2025.1.0 <2025.1.3

Affected Packages

euvd moveit_transfer fix: 2025.0.7, 2025.1.3

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

MOVEit Transfer is a managed file transfer (MFT) server used by enterprises to move sensitive files over HTTPS, SFTP and FTPS with auditing and compliance controls. This issue lives in the HTTPS (web) module and maps to CWE-290 (Authentication Bypass by Spoofing), a class where the application accepts a forged or spoofed identity indicator instead of properly verifying the authenticating principal - for example trusting a client-supplied token, header, or session artifact that can be replayed or forged. The CPE data (cpe:2.3:a:progress:moveit_transfer) confirms the affected component is the Progress MOVEit Transfer application itself rather than the separate MOVEit Automation/Gateway products. The vendor labels the impact 'limited,' implying the spoof grants only partial identity assumption rather than full administrative takeover, consistent with the partial technical impact recorded in SSVC.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
vuln.today AI 7.5 HIGH

Network-reachable HTTPS module with no auth or user interaction (AV:N/AC:L/PR:N/UI:N); spoofing yields integrity impact only (I:H, C:N/A:N), matching the 'limited' bypass description.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from NVD.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

5
Analysis Updated
Jul 09, 2026 - 19:35 vuln.today
v3 - CVSS changed
Analysis Updated
Jul 09, 2026 - 19:34 vuln.today
v2 - CVSS changed
Severity Changed
Jul 09, 2026 - 19:22 NVD
LOW HIGH
CVSS changed
Jul 09, 2026 - 19:22 NVD
3.7 (LOW) 7.5 (HIGH)
Patch available
Jul 08, 2026 - 21:04 EUVD

DescriptionNVD

Limited authentication bypass by spoofing vulnerability in Progress MOVEit Transfer (HTTPS module).

This issue affects MOVEit Transfer: before 2025.0.7, from 2025.1.0 before 2025.1.3.

Executive ViewAI

Why It Matters

Progress MOVEit Transfer contains an authentication bypass vulnerability (CVE-2026-8651) allowing remote attackers to impersonate users and gain unauthorized access to file transfer operations without valid credentials. Organizations rely on MOVEit Transfer to securely exchange sensitive files with internal and external partners; this vulnerability directly undermines that control, with heightened concern given the product's documented history as a frequent exploitation target.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.2%
Top 88% exploitable
Prevalence
Medium
widely used enterprise MFT server, but specialized product not on every host
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
High
Technical Impact
Partial

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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