Vulnerability details
CVE-2026-9753
MongoDB Server
Server crash via malformed binary diff passed to $_internalApplyOplogUpdate.
CVSS 4.0
7.2High
Official description
The $_internalApplyOplogUpdate aggregation pipeline stage can be used to execute a document diff containing a malformed binary diff to return memory out-of-bounds or crash the server. $_internalApplyOplogUpdate can be executed by any authenticated user with access to the aggregate command.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.2High | 4.0 | CVEProject cvelistV5 (CNA) (mongodb) | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N |
| 8.1High | 3.1 | CVEProject cvelistV5 (CNA) (mongodb) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| MongoDB | MongoDB Server | 7.0.0 ≤ v < 7.0.35 | CVEProject cvelistV5 (CNA) |
| MongoDB | MongoDB Server | 8.0.0 ≤ v < 8.0.24 | CVEProject cvelistV5 (CNA) |
| MongoDB | MongoDB Server | 8.2.0 ≤ v < 8.2.10 | CVEProject cvelistV5 (CNA) |
| MongoDB | MongoDB Server | 8.3.0 ≤ v < 8.3.3 | CVEProject cvelistV5 (CNA) |
References and advisories
1
Kolun on Telegram @kolunsec
Exploited CVEs, key news and a daily digest
Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.
Details
- Published
- 2026-06-10
- Last updated
- 2026-06-10
- State
- Published
- Assigner (CNA)
- mongodb
Exploit prediction (EPSS)
0.29%
Probability of exploitation in 30 days
22.5%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-1287Improper validation of specified type of input