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Vulnerability record · CVE-2026-49145 · published 8 July 2026

CVE-2026-49145: Untrusted search path vulnerability

App::Ack versions through 3.10.0 for Perl read arbitrary files via --files-from in a project .ackrc. ack searches up the directory hierarchy from the current directory for a project .ackrc and loads its options. The project-source option blocklist in App::Ack::ConfigLoader does not include --files-from, so a project .ackrc can set it to a path whose listed files ack then reads and searches. Version 3.10.0 added --follow to the blocklist; --files-from remains accepted. A project .ackrc committed to an untrusted repository can make ack read files outside the project and print their matching lines.

7.5 CVSS 3.1 High EPSS 0.49% · top 60.5% CWE-73 · CWE-73CWE-426 · Untrusted search path Deferred
7.5CVSS 3.1 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
8 Jul 2026Last modified by NVD

Description

App::Ack versions through 3.10.0 for Perl read arbitrary files via --files-from in a project .ackrc. ack searches up the directory hierarchy from the current directory for a project .ackrc and loads its options. The project-source option blocklist in App::Ack::ConfigLoader does not include --files-from, so a project .ackrc can set it to a path whose listed files ack then reads and searches. Version 3.10.0 added --follow to the blocklist; --files-from remains accepted. A project .ackrc committed to an untrusted repository can make ack read files outside the project and print their matching lines.

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

References

LinkTags
https://metacpan.org/release/PETDANCE/ack-v3.10.0/source/Changes
http://www.openwall.com/lists/oss-security/2026/07/08/7

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Source: NIST National Vulnerability Database (record CVE-2026-49145), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.