CVE-2025-8450: Fortra FileCatalyst · Unrestricted File Upload
Affects Fortra FileCatalystSource CVE Database V5
Not known to be exploited · CVSS 8.2 High.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:HExploitation evidence
Disclosed: evidence found.
CVE published 19 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Fortra FileCatalyst | Affected
| Fixed in– |
AI-suggested
Given the absence of an official patch at the time of this report, European organizations should implement immediate compensating controls. These include restricting access to the order forms page via network segmentation and firewall rules to limit exposure to trusted IP ranges only. Implementing Web Application Firewalls (WAFs) with custom rules to detect and block suspicious file upload patterns can reduce risk. Monitoring file upload directories for unusual or unauthorized files and setting up alerts for anomalous activities is critical. Organizations should also conduct thorough audits of FileCatalyst configurations to ensure no unnecessary services are exposed publicly. Applying strict file type validation and upload size restrictions at the application level can help mitigate exploitation attempts. Additionally, organizations should prepare for rapid patch deployment once Fortra releases an official fix and maintain up-to-date backups to enable recovery in case of compromise. Employee awareness training on recognizing suspicious activities related to file uploads can further enhance defense-in-depth strategies.
Description
Improper Access Control issue in the Workflow component of Fortra's FileCatalyst allows unauthenticated users to upload arbitrary files via the order forms page.