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CVE-2026-93546

8.8 HIGH

Published 2026-10-01 · Updated 2026-10-05

AI risk analysis

Summary
This flaw involves an integer overflow in the mod_dav_fs module of Apache HTTP Server versions up to 2.4.68, allowing authenticated users with write access to crash worker processes and corrupt directory property databases through malicious PROPPATCH requests.
Exploitability
Exploitation requires write access and knowledge of the affected version. It is moderately hard to exploit.
Blast radius
If exploited, this can lead to service disruption and data corruption, impacting the availability and integrity of the web server.
Detection
No reliable host or network indicator is derivable from the published description.
Prioritized remediation
Upgrade to Apache HTTP Server 2.4.69 or later.
webauthcrashcorruption

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

Integer overflow in mod_dav_fs in Apache HTTP Server through 2.4.68 allows an authenticated WebDAV client with write access to crash worker processes and persistently corrupt a directory's property database via PROPPATCH requests declaring many XML namespaces.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-190

Vendors

apache

Products

http server

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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