PatchTheCEVCVE-2026-114645: A 32-bit integer wraparound in the MongoDB C Driver's Windows-only Kerberos/SSPI authentication code can cause
20
Routine
MEDIUM 5.2
CVE-2026-114645 is a medium-severity flaw (CVSS 5.2) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A 32-bit integer wraparound in the MongoDB C Driver's Windows-only Kerberos/SSPI authentication code can cause an undersized heap buffer to be allocated when an excessively long credential value is supplied in the client's connection configuration. A party able to control that client-side configuration, in conjunction with the affected authentication mechanism, can cause the driver to write outside the bounds of the allocated buffer. This may res
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.2 (Medium) |
| Attack vector | Local |
| Attack complexity | High |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 94%) |
| CISA exploited list | No |
| Weakness | CWE-190 |
| Published | 2026-10-22 |
| Last modified | 2026-10-23 |
Publisher (CNA): MongoDB, Inc.
Timeline
- Published CVE record published
- Updated Record last modified
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.