Medium severity · published Aug 28, 2026
CVE-2026-82235
filebrowser through 2.63.23 Denial of Service via named pipes
5.9
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
filebrowser · filebrowser
through 2.63.23 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82235
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82235
github.com
https://github.com/filebrowser/filebrowser/commit/586d198d
github.com
https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8q5j-8wcr-8v2v
www.vulncheck.com
https://www.vulncheck.com/advisories/filebrowser-through-2.63.23-denial-of-service-via-named-pipes
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