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VULNERABILITIES

CVE-2026-87818 Details

Description

GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-whh4-5q6c-9v3x [email protected]ExploitVendor Advisory
https://www.vulncheck.com/advisories/gitpython-3.1.59-local-file-content-oracle-via-no-index [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-88Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')[email protected]

Affected Products

ProductVersions
gitpython project gitpython
< 3.1.60

CPE

  • cpe:2.3:a:gitpython_project:gitpython:*:*:*:*:*:python:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-87818
NVD Published Date:
Sep 9, 2026
NVD Last Modified:
Sep 16, 2026
Source:
[email protected]
CVE-2026-87818 Details - Not Deferred