How severe is CVE-2026-73620?

CVE-2026-73620 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2026-73620 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-73620?

CVE-2026-73620 affects Gitpython Project Gitpython. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-73620?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-73620 published?

CVE-2026-73620 was published on 2026-08-13 and last updated on 2026-09-03.

CVE-2026-73620

CVE-2026-73620 is a high-severity vulnerability in Gitpython Project Gitpython with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v4: 7.2
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Gitpython Project Gitpython
Published: 2026-08-13
Last modified: 2026-09-03

Description

GitPython before 3.1.57 fails to guard git option forwarding in IndexFile.checkout() and TagReference.create(), allowing attackers to pass unsafe options via kwargs. Attackers can use --prefix to overwrite arbitrary files with repository content or -F to read arbitrary files returned in-band.

Frequently asked questions

What is CVE-2026-73620?: GitPython before 3.1.57 fails to guard git option forwarding in IndexFile.checkout() and TagReference.create(), allowing attackers to pass unsafe options via kwargs. Attackers can use --prefix to overwrite arbitrary files with repository content or -F to read arbitrary files returned in-band.
How severe is CVE-2026-73620?: CVE-2026-73620 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2026-73620 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-73620?: CVE-2026-73620 affects Gitpython Project Gitpython. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-73620?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-73620 published?: CVE-2026-73620 was published on 2026-08-13 and last updated on 2026-09-03.

References

Affected products (1)

cpe:2.3:a:gitpython_project:gitpython:*:*:*:*:*:python:*:*

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