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.
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Affected Vendors & Products
References
History
Wed, 08 Jul 2026 16:30:00 +0000
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| 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. | |
| Title | App::Ack versions through 3.10.0 for Perl read arbitrary files via --files-from in a project .ackrc | |
| Weaknesses | CWE-426 CWE-73 |
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| References |
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Status: PUBLISHED
Assigner: CPANSec
Published:
Updated: 2026-07-08T17:31:32.120Z
Reserved: 2026-05-27T17:50:04.538Z
Link: CVE-2026-49145
Updated: 2026-07-08T17:31:32.120Z
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OpenCVE Enrichment
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