Vulnerability DatabaseCVE-2026-82235
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CVE-2026-82235
Published:August 28, 2026
Updated:September 24, 2026
filebrowser through 2.63.23 fails to validate named pipes in directory archive and public download handlers, allowing attackers to trigger blocking open syscalls. Authenticated users or anonymous visitors with public share links can repeatedly request archives containing named pipes to pin server goroutines and exhaust connection resources.
Related Resources (5)
https://github.com/filebrowser/filebrowser/commit/586d198d
https://www.vulncheck.com/advisories/filebrowser-through-2.63.23-denial-of-service-via-named-pipes
https://nvd.nist.gov/vuln/detail/CVE-2026-82235
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82235.json
https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8q5j-8wcr-8v2v
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CVSS v4
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncontrolled Resource Consumption
CWE-400
EPSS
Base Score:
0.39