CVE-2026-50891 Details
Description
Incorrect access control in the /admin/api/config component of Filestash v0.4.0 allows attackers to escalate privileges via sending a crafted request.
A privilege escalation vulnerability has been identified in Filestash version 0.4.0, specifically within the admin API configuration component. The issue arises from incorrect access control, which allows attackers to send crafted requests that escalate privileges. During the initial setup phase, the admin configuration API is exposed while the admin authentication variable is unset. This oversight enables remote attackers to manipulate the admin password hash and gain unauthorized access to the admin interface.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jun 15, 2026CISA-ADP
Assessed Jun 16, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gist.github.com/pyuysig/50dc365f54f95396bb67532f02b34bb0 | CISA-ADP | ExploitTechnical Description |
| https://gist.github.com/pyuysig/50dc365f54f95396bb67532f02b34bb0 | [email protected] | ExploitTechnical Description |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-284 | Improper Access Control | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| Filestash | 0.4.0 (semver) |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 16, 2026 | CVE Modified | CISA-ADP |
| Jun 15, 2026 | New CVE Received | [email protected] |