CVE-2026-9100
The MongoDB C Driver's legacy GridFS API accepts malformed file metadata from the database without adequate validation.
Published May 20, 2026 · updated Sep 24, 2026 · mongodb c driver
The MongoDB C Driver's legacy GridFS API accepts malformed file metadata from the database without adequate validation. Crafted documents in a GridFS collection may cause any application that reads those files via the legacy API to either crash (via a division-by-zero) or silently leak process memory contents (via an out-of-bounds read).
Code
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No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
May 20, 2026 · NIST NVD
Detected
The MongoDB C Driver's legacy GridFS API accepts malformed file metadata from the database without adequate validation. Crafted documents in a GridFS collection may cause any application that reads those files via the legacy API to either crash (via a division-by-zero) or silently leak process memory contents (via an out-of-bounds read).
Sep 24, 2026 · NIST NVD
Updated
The MongoDB C Driver's legacy GridFS API accepts malformed file metadata from the database without adequate validation. Crafted documents in a GridFS collection may cause any application that reads those files via the legacy API to either crash (via a division-by-zero) or silently leak process memory contents (via an out-of-bounds read).
Affected
- cpe mongodb/c driverversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-9100
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-9100
The MongoDB C Driver's legacy GridFS API accepts malformed file metadata from the database without adequate validation. Crafted documents in a GridFS collection may cause any application that reads those files via the legacy API to either crash (via a division-by-zero) or silentl
nvd.nist.gov