IsItPatchedInstant security status for any software version
← All products

CVE-2018-15132

HIGH severity · CVSS 7.5 · Information disclosure
7.5CVSS HIGH

Summary

An issue was discovered in ext/standard/link_win32.c in PHP before 5.6.37, 7.0.x before 7.0.31, 7.1.x before 7.1.20, and 7.2.x before 7.2.8. The linkinfo function on Windows doesn't implement the open_basedir check. This could be abused to find files on paths outside of the allowed directories.

Impact & exploitability

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)4%

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products we track (1)

PHP

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Official patch: https://github.com/php/php-src/commit/f151e048ed27f6f4eef729f3310d053ab5da71d4 ↗

Last checked: Wed, 10 Jun 2026 22:18:30 UTC