EUVD-2026-65225
GHSA-6rj2-96f5-chj9
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Low privilege required to invoke TagReference.create(); network-reachable if application exposes the path; high confidentiality only, no integrity or availability impact.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3DescriptionCVE.org
GitPython before 3.1.59 contains an arbitrary file read vulnerability in TagReference.create() where a positional reference parameter bypasses the unsafe option guard. Attackers can supply a reference value like --file=<path> to read arbitrary files, with contents returned in the annotated tag message.
AnalysisAI
Arbitrary file read in GitPython before 3.1.59 allows low-privileged remote attackers to exfiltrate sensitive files by supplying a crafted reference argument to TagReference.create(). The vulnerability arises because a positional reference parameter (e.g., '--file=/etc/passwd') bypasses the library's built-in unsafe option guard, causing git to interpret the value as a flag and return the targeted file's contents embedded in the annotated tag message. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The application must invoke GitPython's TagReference.create() method and allow attacker-controlled input to reach the positional reference parameter without prior sanitization. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N) indicates network-reachable exploitation at low complexity requiring only low-privilege access, with high confidentiality impact confined to the vulnerable system. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with low-privilege access to a web-based repository management platform (e.g., a self-hosted CI/CD tool built on GitPython) submits a tag creation request with a crafted reference value such as '--file=/etc/shadow' or '--file=/app/config/secrets.yaml'. GitPython passes this value positionally to the underlying git tag command, bypassing the unsafe guard; git interprets it as a file-read flag and embeds the file contents in the annotated tag message, which is returned to the attacker in the API response. |
| Remediation | Upgrade GitPython to version 3.1.59 or later, which is the first release addressing this vulnerability per the GitHub security advisory at https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-3wxw-xv34-2frg. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct a complete inventory of all applications and systems running GitPython, identify version numbers, and determine which expose TagReference.create() to user-controlled input-prioritize systems handling credentials or sensitive configuration. …
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Same weakness CWE-73 – External Control of File Name or Path
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External POC / Exploit Code
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