Improper Neutralization of Special Elements in Data Query Logic in mongo-python-driver - CVE-2026-88029
Published: September 22, 2026
Vulnerability identifier: #VU151672
CSH Severity: Medium
CVSS v4: 7.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-88029
CWE-ID: CWE-943
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to access, modify, or delete GridFS files.
The vulnerability exists due to improper neutralization of special elements in data query logic in the GridFS API when a Hash is supplied in place of a file ID. A remote user can supply a Hash that is interpreted as query criteria and overrides the ID match to access, modify, or delete GridFS files.
Affected software
mongo-python-driver
How to mitigate CVE-2026-88029
Install security update from vendor's website.
mongo-python-driver - update to 4.18.1