CVE-2006-4481: n/a vulnerability

CVE-2006-4481: The (1) file_exists and (2) imap_reopen functions in PHP before 5.1.5 do not check for the safe_mode and op...

The (1) file_exists and (2) imap_reopen functions in PHP before 5.1.5 do not check for the safe_mode and open_basedir settings, which allows local users to bypass the settings. NOTE: the error_log function is covered by CVE-2006-3011, and the imap_open function is covered by CVE-2006-1017.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 19:14 UTC (UTC+00:00)

Security readout for executives and security teams

This old PHP flaw let local users bypass PHP safe_mode and open_basedir restrictions through file_exists or imap_reopen. The business risk is mainly for legacy shared-hosting or multi-user servers that still rely on these controls to separate tenants or applications. Exposure is likely limited to systems running PHP before 5.1.5, especially shared-hosting, multi-tenant, or legacy internal servers using safe_mode or open_basedir as isolation controls. Prioritize remediation if any legacy PHP shared-hosting or multi-tenant environment remains. For modern stacks, this is mainly a legacy hygiene issue unless old PHP runtimes are still present. Mitigation focus: Upgrade PHP to 5.1.5 or a vendor-fixed package.; Review Ubuntu, Mandriva, SUSE, or applicable vendor advisories for package-specific fixes.; Retire unsupported PHP 5.1-era runtimes where possible..

Prepared: Jun 29, 2026, 10:45 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Aug 31, 2006, 21:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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