CVE-2026-82235

8.2 highEPSS 0.5%

High (8.2). EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.2 high

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

5.9 medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
CWE: CWE-400
Published: 2026-08-28
Modified: 2026-09-24
Record from: the NVD, synced 2026-10-19

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

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