CVE-2026-73620

GitPython before 3.1.57 Arbitrary File Overwrite and Read

HIGH
8.1
CVSS Score
Published: August 13, 2026 at 11:28 AM UTC
Updated: October 24, 2026 at 03:10 PM UTC
2 products affected across 2 vendorsGitpythonGitPython

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Severity
HIGH8.1
Exploit prediction
EPSS 0.6%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 3.1.57
Affected range stops below 3.1.57, so it looks safe — our inference, not a vendor statement
0 ≤ v < 3.1.57
Vendor states this is fixed in 3.1.57 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-22

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