Vulnerability details
CVE-2026-75159
MongoDB BI Connector
MongoDB BI Connector Improper Memory Handling During Failed Kerberos Authentication May Cause Process Termination
CVSS 4.0
8.2High
Official description
An unauthenticated client that can reach a MongoDB Connector for BI deployment configured with Kerberos authentication may cause mongosqld to terminate when a crafted authentication exchange encounters a specific GSSAPI error-handling condition. This can interrupt BI Connector availability until the process restarts.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.2High | 4.0 | CVEProject cvelistV5 (CNA) (mongodb) | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| 5.9Medium | 3.1 | CVEProject cvelistV5 (CNA) (mongodb) | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| MongoDB | BI Connector | 2.4.0 ≤ v < 2.14.30 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-08-27
- Last updated
- 2026-08-27
- State
- Published
- Assigner (CNA)
- mongodb
Exploit prediction (EPSS)
0.47%
Probability of exploitation in 30 days
41.4%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-415Double Free