What’s Vulnerable › Vulnerabilities

CVE-2026-49145: App::Ack versions through 3.10.0 for Perl read arbitrary files via --files-from in a project .ackrc

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-08 · updated 2026-10-25
• Weakness: CWE-73

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.

Affected products

• PETDANCE App::Ack: through 3.10.0

References

• 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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