SECURELYN

CVE-2026-23918

Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

Scores

8.8
CVSS 8.8 out of 10, high severity.
49.7%
EPSS 49.7% chance of exploitation in the next 30 days.

The facts

Published
4 May 2026
Last changed
15 July 2026
NVD status
Modified
Severity
High, CVSS 8.8 out of 10 (version 3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
Affects
  • apache http server
Known exploited
Not in the CISA Known Exploited Vulnerabilities catalogue in this build.
EPSS
49.7% chance of exploitation activity in the next 30 days (percentile 99).

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References