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CVE-2026-124738VulnerabilityPublished

Microsoft · Busybox: httpd password rule bypass for pre-compressed .gz files via accept-encoding: gzip

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-124738· Medium 5.3

Not known to be exploited · CVSS 5.3 Medium.

Data as of 15 Nov 2026, 10:37 UTC

CVSS 3.1 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.15.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 14 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hat Enterprise Linux 6busyboxAffected–Fixed in–
Red Hat Hardened ImagesbusyboxAffected–Fixed in–

Description

CVE-2026-124738 is a vulnerability in Busybox httpd version 3.0 that allows bypassing password rules for pre-compressed .gz files via the accept-encoding: gzip header. The issue relates to improper authentication enforcement when handling gzip-encoded HTTP requests. No CVSS score or detailed impact information is provided.

References

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