CVE-2026-15392: Path Traversal

Description

DBD::File versions before 1.651 for Perl do not ensure the table file is not a symlink to an untrusted location. The complete_table_name method builds the absolute table file path without checking whether the file is a symbolic link. A link inside the data directory can point to a table file at any path outside of the configured f_dir and f_dir_search directories. Callers of file-based drivers can read or write files outside of the data directory.

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Weakness Type (CWE)

CWE-22 Path Traversal

CWE-59 CWE-59

References

Other References

https://github.com/perl5-dbi/dbi/commit/96d62dfe4528bf56fe13f413ed323d4252531728.patch https://github.com/perl5-dbi/dbi/security/advisories/GHSA-mh3j-xwf4-jrqw https://metacpan.org/release/HMBRAND/DBI-1.651/changes http://www.openwall.com/lists/oss-security/2026/07/14/15

Frequently Asked Questions

What is CVE-2026-15392? +

DBD::File versions before 1.651 for Perl do not ensure the table file is not a symlink to an untrusted location. The complete_table_name method builds the absolute table file path without checking whether the file is a symbolic link. A link inside the data directory can point to a table file at any path outside of the configured f_dir and f_dir_search directories. Callers of file-based drivers can read or write files outside of the data directory.

How do I check if I'm vulnerable to CVE-2026-15392? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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