CVE-2026-82235

Summary

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.

Affected Software

Weaknesses

• CWE-400: Uncontrolled Resource Consumption

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

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

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