CVE-2026-90927
filebrowser through 2.63.23 Denial of Service via unbounded WebSocket message
CVSS 4.0 7.1 HIGHCVSS 3.1 6.5 MEDIUMCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-90927
Publishedfilebrowser through 2.63.23 fails to limit WebSocket message size in the /api/command handler before checking permissions, allowing authenticated users to buffer arbitrarily large messages. Attackers can send oversized WebSocket messages to exhaust server heap memory and cause denial of service regardless of EnableExec setting or Execute permission.
Read the publisher's advisoryAffected versions, risk and source history
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CVE-2026-90927 · CVE overview and exploitation status
cve-program · CVE-2026-90927
Related changes
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