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Progress CVE-2026-8801

| EUVDEUVD-2026-42385 CRITICAL
Path Equivalence: 'filename ' (Trailing Space) (CWE-46)
2026-07-08 security@progress.com GHSA-g7h5-mc2v-rvpm
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAIv3 – Jul 09, 2026

Path-equivalence weakness in Progress MOVEit Transfer's File Upload modules lets remote attackers bypass path-normalization checks to reach or place files outside their intended scope, carrying an NVD CVSS of 9.8. It affects MOVEit Transfer before 2025.0.8 and the 2025.1.x line before 2025.1.4, and a vendor patch is available. There is no public exploit identified at time of analysis and EPSS is low (0.25%), while CISA SSVC rates exploitation as none and technical impact as only partial.

Earlier versions of this analysis (2)
v2 Jul 09, 2026 - 19:28 cvss changed CVSS 9.8

Path-equivalence handling in Progress MOVEit Transfer's File Upload modules lets remote unauthenticated attackers bypass path validation to compromise confidentiality, integrity, and availability of the managed-file-transfer server. The flaw carries a CVSS 9.8 with a fully network-reachable, no-privilege vector and affects MOVEit Transfer before 2025.0.8 and the 2025.1.x branch before 2025.1.4. There is no public exploit identified at time of analysis and CISA SSVC currently rates exploitation as none, but MOVEit's history as a mass-exploitation target (Cl0p 2023) makes prompt patching prudent.

v1 Jul 08, 2026 - 21:05 CVSS 3.5

Path equivalence manipulation in Progress MOVEit Transfer's file upload modules allows an authenticated low-privileged user to store files in unintended server-side locations by crafting filenames with equivalent path representations (CWE-46). Affected versions span the 2025.0.x branch before 2025.0.8 and the 2025.1.x branch before 2025.1.4. Impact is limited to low integrity loss with no confidentiality or availability consequences; no public exploit or active exploitation has been identified at time of analysis.

Affected VersionsENISA

MOVEit Transfer 2025.1.0 <2025.1.4
MOVEit Transfer 0 <2025.0.8

Affected Packages

euvd moveit_transfer fix: 2025.0.8, 2025.1.4

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 3.5 LOW

Low-privilege authentication and user interaction are required; only limited file integrity impact applies with no confidentiality or availability loss.

3.1 AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/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
High
Integrity
High
Availability
High

Lifecycle Timeline

5
Analysis Updated
Jul 09, 2026 - 19:28 vuln.today
v3 - CVSS changed
Analysis Updated
Jul 09, 2026 - 19:28 vuln.today
v2 - CVSS changed
Severity Changed
Jul 09, 2026 - 19:22 NVD
LOW CRITICAL
CVSS changed
Jul 09, 2026 - 19:22 NVD
3.5 (LOW) 9.8 (CRITICAL)
Patch available
Jul 08, 2026 - 21:04 EUVD

DescriptionNVD

Path equivalence: vulnerability in Progress MOVEit Transfer (File Upload modules).

This issue affects MOVEit Transfer: before 2025.0.8, from 2025.1.0 before 2025.1.4.

Executive ViewAI

Why It Matters

A critical file transfer vulnerability in Progress MOVEit Transfer (CVE-2026-8801, CVSS 9.8) enables attackers to bypass directory restrictions and access or inject files outside protected scopes, potentially exposing confidential data and corrupting file transfers. Organizations using MOVEit Transfer face significant risk to the integrity and confidentiality of sensitive documents and data exchanges. An immediate vendor patch deployment is required to restore secure file transfer operations.

Recommended Action

Within 24 hours: Identify all Progress MOVEit Transfer instances and document current version numbers. Within 7 days: Apply vendor patches-upgrade installations running versions prior to 2025.0.8 to the latest 2025.0.x release, and upgrade 2025.1.x installations to version 2025.1.4 or later. Within 30 days: Confirm successful patch deployment across all instances, audit file access and upload logs for unauthorized activity, and validate normal file transfer operations.

Business Impact: Severe
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.3%
Top 84% exploitable
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 CRITICAL
CISA KEV No
Public POC No
EPSS 0.3%
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity
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
Very High
Technical Impact
Partial

Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.

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