CVE-2024-9026 - CVE House
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Status published Low CVE-2024-9026

PHP-FPM logs from children may be altered

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Sébastien Rolland

References

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Affected Vendor

Affected Software

PHP
Vulnerable Versions:
8.1.*, 8.2.*, 8.3.*

Timeline

Official Publish: October 8th, 2024
Last Modified: November 3rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weaknesses (CWE)

CWE-158 CWE-117

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.