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CVE-2026-42284

Gitpython vulnerability

8.1 HIGHPublic exploitEPSS 0.71%
  1. Published7 May 2026

Description

GitPython is a python library used to interact with Git repositories. Prior to version 3.1.47, _clone() validates multi_options as the original list, then executes shlex.split(" ".join(multi_options)). A string like "--branch main --config core.hooksPath=/x" passes validation (starts with --branch), but after split becomes ["--branch", "main", "--config", "core.hooksPath=/x"]. Git applies the config and executes attacker hooks during clone. This issue has been patched in version 3.1.47.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Gitpython< 3.1.47

Remediation

Fixed in
Gitpython≥ 3.1.47

References

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Frequently asked

Is CVE-2026-42284 being actively exploited?

CVE-2026-42284 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.71%.

How severe is CVE-2026-42284?

CVE-2026-42284 has a CVSS 3.1 base score of 8.1, rated high. EPSS estimates a 0.71% probability of exploitation.

Which products are affected by CVE-2026-42284?

Affected products include Gitpython.

How do I fix CVE-2026-42284?

Upgrade affected software to a fixed version, for example Gitpython 3.1.47 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-42284 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.