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CVE-2026-18711

🗓️ 11 Aug 2026 18:48:50Reported by mongodbType 
cve
 cve
🔗 web.nvd.nist.gov👁 55 Views

Use-after-free in MongoDB query engine crashes server or leaks freed memory to authenticated users.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-18711
11 Aug 202618:48
attackerkb
circl
Circl
CVE-2026-18711
13 Aug 202604:46
circl
cvelist
Cvelist
CVE-2026-18711 Use-After-Free in MongoDB Query Execution Engine Leads to Denial of Service and Potential Memory Disclosure
11 Aug 202618:48
cvelist
euvd
EUVD
EUVD-2026-56884
11 Aug 202618:48
euvd
mongodb
MongoDB
Use-After-Free in MongoDB Query Execution Engine Leads to Denial of Service and Potential Memory Disclosure
11 Aug 202618:48
mongodb
nvd
NVD
CVE-2026-18711
11 Aug 202619:17
nvd
osv
OSV
UBUNTU-CVE-2026-18711
11 Aug 202619:17
osv
ptsecurity
Positive Technologies
PT-2026-70863
11 Aug 202600:00
ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-18711: Use After Free
11 Aug 202600:00
rapid7
ubuntucve
UbuntuCve
CVE-2026-18711
11 Aug 202619:17
ubuntucve
Rows per page
[
  {
    "vendor": "MongoDB",
    "product": "MongoDB Server",
    "versions": [
      {
        "status": "affected",
        "version": "8.3.0",
        "lessThan": "8.3.8",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "8.0",
        "lessThan": "8.0.29",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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28 Aug 2026 21:16Current
5.5Medium risk
Vulners AI Score5.5
CVSS 47.1
CVSS 3.17.1
EPSS0.0027
SSVC
55