CVE-2025-55911: Command Injection
Source CVE Database V5
Public exploit available (Exploit-DB) · CVSS 6.5 Medium.
Data as of 26 Oct 2026, 12:55 UTC
- EPSS
- 1.0% chance of exploitation in 30 days – higher than 64% 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:L/I:L/A:NExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 18 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
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
Timeline
CVE ID reserved
by MITRE Corporation
, 33 days before disclosure
First Exploit-DB entry (opens in a new tab)
ClipBucket 5.5.2 Build #90 - Server-Side Request Forgery (SSRF)
, 2 days before disclosure
CVE published
on cve.org
, t = 0
In Threat Radar
record ingested
, the same day as disclosure
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
AI-suggested
- Immediate mitigation should involve restricting access to the file_downloader.php script via network controls such as firewall rules or web application firewalls (WAF) to limit exposure to untrusted sources.
- Organizations should monitor web server logs for suspicious requests targeting the 'file' parameter to detect potential exploitation attempts.
- If possible, disable or remove the file_downloader.php functionality temporarily until a patch or official fix is released.
- Implement strict input validation and sanitization on all user-controllable parameters, especially those involving file handling.
- Conduct a thorough security review and penetration test of the Clip Bucket deployment to identify other potential vulnerabilities.
- Stay informed on vendor updates or community advisories for Clip Bucket to apply patches promptly once available.
- Employ network segmentation to isolate media servers from critical infrastructure to limit the blast radius of a compromise.
Description
An issue Clip Bucket v.5.5.2 Build#90 allows a remote attacker to execute arbitrary codes via the file_downloader.php and the file parameter