Home / Security / Advisories / NTAP-20261007-0016

NTAP-20261007-0016 — CVE-2026-73637 Apache HTTP Server Vulnerability in NetApp Products

Published 2026-10-07 · Updated 2026-10-07 · Status: Interim · Exploitation: Public · Severity: HIGH 7.3 · ONTAP affected: Yes

Official advisory: NTAP-20261007-0016 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Brocade SAN firmware · ONTAP | ONTAP-relevant | highest CVSS: 7.3

CVEs in this advisory

CVE-2026-73637 — HIGH · CVSS 7.3 · site index

What the CVE records say

CVE-2026-73637 — Use after free in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause authentication state corruption via concurrent Digest authentication requests when AuthDigestNcCheck is enabled or AuthDigestNonceLifetime is set to 0. Users are recommended to upgrade to version 2.4.69, which fixes this issue.

Impact

Successful exploitation of this vulnerability could lead to disclosure of sensitive information, addition or modification of data or Denial of Service (DoS).

Affected products

Brocade Fabric Operating System Firmware
ONTAP 9

References

https://httpd.apache.org/security/vulnerabilities_24.html ↗

What to do

Check the affected products listed above against the official advisory's affected-versions table — that is where the exact ONTAP 9 release, ONTAP tool, or management product versions are named.
If affected and a fixed release exists, plan the upgrade — see the ONTAP upgrade runbook.
If exploitation is listed as "active", treat remediation as urgent and review exposure (management LIFs, ONTAP S3, SnapMirror endpoints).
Harden in parallel: security hardening baseline and ransomware protection on ONTAP.