CVE-2024-9026 LOW

CVE-2024-9026: PHP-FPM logs from children may be altered

Vendor Php Group
Product PHP
Weakness CWE-158
Published October 8, 2024
Last update November 3, 2025
View on NVD All CVEs

CVSS base score

3.3/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

In PHP versions 8.1.* before 8.1.30, 8.2.* before 8.2.24, 8.3.* before 8.3.12, when using PHP-FPM SAPI and it is configured to catch workers output through catch_workers_output = yes, it may be possible to pollute the final log or remove up to 4 characters from the log messages by manipulating log message content. Additionally, if PHP-FPM is configured to use syslog output, it may be possible to further remove log data using the same vulnerability.

Key dates

02Disclosure timeline

October 8, 2024 CVE published
November 3, 2025 Record updated