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CVE-2026-48962

7.3 · HIGH

IO::Compress versions before 2.220 for Perl can execute arbitrary code in File::GlobMapper via an attacker-controlled output glob.

Published May 27, 2026CWE-95EPSS 0.50%

Overview

CVE-2026-48962 is a high-severity vulnerability. It was published on May 27, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

IO::Compress versions before 2.220 for Perl can execute arbitrary code in File::GlobMapper via an attacker-controlled output glob.

_parseOutputGlob() wraps the caller-supplied output glob string in double quotes and stores it in the parser state; _getFiles() then runs the stored expression through eval STRING. A literal double quote in the output glob closes the dquote wrapper, and the characters that follow are evaluated as Perl.

Arbitrary Perl in the output glob executes at the calling process's privilege.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/pmqs/IO-Compress/commit/f2db247bf90d4cc7ee2710be384946081f3b4610.patchRefmetacpan.org/release/PMQS/IO-Compress-2.220/changesRefwww.openwall.com/lists/oss-security/2026/05/27/4Refaccess.redhat.com/errata/RHSA-2026:29182Refaccess.redhat.com/errata/RHSA-2026:29210Refaccess.redhat.com/errata/RHSA-2026:29867Refaccess.redhat.com/errata/RHSA-2026:29941Refaccess.redhat.com/errata/RHSA-2026:30085Refaccess.redhat.com/errata/RHSA-2026:30086Refaccess.redhat.com/errata/RHSA-2026:30115

How CyberStrike helps

Frequently asked questions

What is CVE-2026-48962?

CVE-2026-48962 is a high-severity vulnerability. It was published on May 27, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2026-48962?

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-48962?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-48962?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-48962 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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