> CVE-2026-78677 [HIGH]

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PUBLISHED
2026-08-25 02:16
MODIFIED
2026-08-25 02:16
CVSS_SCORE V3
8.7
EPSS (Prob. Exploit)
0.65%
Top 49.4%
DATA SOURCES:
NVD đź”— 2026-08-25 CWE MITRE đź”— 2026-09-01 FIRST EPSS đź”— 2026-10-25 OSV đź”— 2026-09-21

> DESCRIPTION

GitPython before 3.1.59 omits --separate-git-dir from unsafe_git_clone_options, allowing attackers to create arbitrary git directories outside the intended clone destination. Attackers can pass a separate_git_dir parameter to Repo.clone_from() or Repo.clone() to redirect repository metadata to an attacker-controlled filesystem path, enabling arbitrary directory creation and potential hook execution.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
None (N)
Aucune authentification requise
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
None (N)
Aucune modification de données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
None
Aucune modification de données possible
Disponibilité
None
Aucune interruption de service

> WEAKNESSES

CWE-22

> CWE DETAILED DESCRIPTIONS

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') - The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: satellite/iop-vulnerability-engine-rhel9 container image available as a Technology Preview
A new satellite/iop-vulnerability-engine-rhel9 container image is now available as a Technology Preview in the Red Hat container registry.
Red Hat Security Advisory: Technical preview of the satellite/iop-vmaas-rhel9 container image
A new satellite/iop-vmaas-rhel9 container image is now available as a technical preview in the Red Hat container registry.
Red Hat Security Advisory: satellite/iop-vulnerability-engine-rhel9 container image available as a Technology Preview
A new satellite/iop-vulnerability-engine-rhel9 container image is now available as a Technology Preview in the Red Hat container registry.
Red Hat Security Advisory: Technical preview of the satellite/iop-vmaas-rhel9 container image
A new satellite/iop-vmaas-rhel9 container image is now available as a technical preview in the Red Hat container registry.
Red Hat Security Advisory: RHOAI 3.4.5 - Red Hat OpenShift AI
Updated images are now available for Red Hat OpenShift AI.
Red Hat Security Advisory: RHOAI 2.25.12 - Red Hat OpenShift AI
Updated images are now available for Red Hat OpenShift AI.
Red Hat Security Advisory: RHOAI 3.5.2 - Red Hat OpenShift AI
Updated images are now available for Red Hat OpenShift AI.

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

GitPython before 3.1.59 Path Traversal via separate-git-dir

AFFECTED PACKAGES:
Unknown / Unknown
104 versions affected
ALIASES:
GHSA-8mcc-hrx5-hvxc, PYSEC-2026-3787

> HISTORIQUE DES MODIFICATIONS

Première apparition
25/08/2026 02:16
Source: NVD
đź“Š ENRICHISSEMENT 01/09/2026 06:02
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') - The product uses external input to construct a pathname that is intended to identify a file or directory that i...
Total des modifications: 1 Dernière mise à jour: 1 month ago

> REFERENCES

https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-8mcc-...
https://www.vulncheck.com/advisories/gitpython-before-path-traversal-via-separat...
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