CVE-2026-84968
An out-of-bounds read in the BSON decoding component of the MongoDB PHP driver may allow an unauthenticated party who supplies specially formed input to have a small amount of adjacent process memory copied into an error message that is returned to application code. This may result in unintended disclosure of limited memory contents.
- Published Sep 3, 2026
- CVSS 6.9 medium
- 0.2% chance of exploitation in the next 30 days (EPSS)