CVE-2026-82235

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

References

• https://github.com/filebrowser/filebrowser/commit/586d198d
• https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8q5j-8wcr-8v2v
• https://www.vulncheck.com/advisories/filebrowser-through-2.63.23-denial-of-service-via-named-pipes