CRITICAL

CVE-2026-57941

CVSS v3

9.8

CRITICAL

EPSS Score

—

exploit probability

CISA KEV

known exploited

Exploitation

—

SSVC status

Description

Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session->bbtmp re-entrancy This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2026-10-01
Last Modified: 2026-10-01

Frequently asked questions

What is CVE-2026-57941?

Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session->bbtmp re-entrancy This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.

Is CVE-2026-57941 actively exploited?

Active exploitation of CVE-2026-57941 has not been confirmed.

What is the CVSS score for CVE-2026-57941?

CVE-2026-57941 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is CVE-2026-57941 affecting your environment?

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