Progress WS_FTP Server up to 2024.0.6/2025.0.3 path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k1.54+

Summaryinfo

A vulnerability described as problematic has been identified in Progress WS_FTP Server up to 2024.0.6/2025.0.3. The impacted element is an unknown function. The manipulation results in path traversal. This vulnerability is reported as CVE-2026-90866. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Progress WS_FTP Server up to 2024.0.6/2025.0.3. It has been classified as problematic. Affected is an unknown code block. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A path traversal vulnerability in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow a delegated Host Administrator to access locations outside their authorized scope, potentially enabling remote code execution.

The advisory is available at progress.lightning.force.com. This vulnerability is traded as CVE-2026-90866 since 09/14/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading to version 2024.0.7 or 2025.0.4 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.1
CNA Vector (ProgressSoftware): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: WS_FTP Server 2024.0.7/2025.0.4

Timelineinfo

09/14/2026 CVE reserved
10/29/2026 +45 days Advisory disclosed
10/29/2026 +0 days VulDB entry created
10/29/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: progress.lightning.force.com
Status: Confirmed

CNA: ProgressSoftware
CVE: CVE-2026-90866 (🔒)

GCVE (CVE): GCVE-0-2026-90866
GCVE (VulDB): GCVE-100-428622

Entryinfo

Created: 10/29/2026 17:15
Changes: 10/29/2026 17:15 (63)
Complete: 🔍
Cache ID: 216::103

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