High severity · published Aug 13, 2026
CVE-2026-73620
GitPython before 3.1.57 Arbitrary File Overwrite and Read
8.1
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
GitPython · gitpython-developers
before 3.1.57 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-73620
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-73620
vendor-advisory
https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-3f7w-8rr8-f37f
third-party-advisory
https://www.vulncheck.com/advisories/gitpython-before-arbitrary-file-overwrite-and-read
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