CVE WatchNov 12, 2026

CVE-2026-124738

A flaw was found in BusyBox. When the HTTP daemon (httpd) has pre-compressed file support enabled, authentication checks are evaluated only

CVSS

5.3

Medium

EPSS

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KEV

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Exploit Today

0-100

Published: Nov 11, 2026 · Last modified: Nov 12, 2026 · CWE-288

EPSS · 30d

Not enough EPSS history yet.

Technical description

A flaw was found in BusyBox. When the HTTP daemon (httpd) has pre-compressed file support enabled, authentication checks are evaluated only against the requested URL path rather than the pre-compressed file being served. A remote attacker can exploit this flaw by requesting an uncompressed file path while specifying gzip encoding, bypassing password rules configured specifically for the compressed file. This vulnerability can lead to unauthorized information disclosure of sensitive files.

Official references

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