MinorCritical vulnerability

CVE-2026-78667 (CVSS 7.5)

NVD · officialPublished Oct 8, 2026Risk 23/100EPSS 0.2%

When parsing a Range header containing a large number of small ranges, FileServer(FS), ServeContent, and ServeFile(FS) can consume an excessive amount of CPU.

Technical details

CVSS

7.5

AV:NetworkAC:LowPR:NoneUI:NoneC:NoneI:NoneA:High

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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