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CVE-2026-76220

Gitpython vulnerability

8.8 HIGHPublic exploitEPSS 0.91%
  1. Published19 Aug 2026

Description

GitPython before 3.1.58 contains a command execution vulnerability in the check_unsafe_options guard that can be bypassed by combining a single-character kwarg with split_single_char_options=False. Attackers can supply a crafted kwargs dictionary to guarded methods like clone_from to emit a joined token parsed as --upload-pack, enabling arbitrary OS command execution at default allow_unsafe_options=False.

CVSS 3.1 breakdown

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

Affected products

Gitpython< 3.1.58

Remediation

Fixed in
Gitpython≥ 3.1.58

References

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Frequently asked

Is CVE-2026-76220 being actively exploited?

CVE-2026-76220 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.91%.

How severe is CVE-2026-76220?

CVE-2026-76220 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.91% probability of exploitation.

Which products are affected by CVE-2026-76220?

Affected products include Gitpython.

How do I fix CVE-2026-76220?

Upgrade affected software to a fixed version, for example Gitpython 3.1.58 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-76220 against the real software inventory on every managed device, as each hourly inventory arrives. 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.