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CVE-2026-18693 Out-of-Bounds Read/Write in MongoDB Timeseries Bucket Handling Leads to Denial of Service and Potential Memory Disclosure

🗓️ 11 Aug 2026 18:38:31Reported by mongodbType 
cvelist
 cvelist
🔗 www.cve.org👁 26 Views

MongoDB timeseries bucket handling allows out-of-bounds access causing DoS and memory disclosure.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-18693
11 Aug 202618:38
attackerkb
circl
Circl
CVE-2026-18693
13 Aug 202604:45
circl
cve
CVE
CVE-2026-18693
11 Aug 202618:38
cve
euvd
EUVD
EUVD-2026-56909
11 Aug 202618:38
euvd
mongodb
MongoDB
Out-of-Bounds Read/Write in MongoDB Timeseries Bucket Handling Leads to Denial of Service and Potential Memory Disclosure
11 Aug 202618:38
mongodb
nvd
NVD
CVE-2026-18693
11 Aug 202619:17
nvd
osv
OSV
UBUNTU-CVE-2026-18693
11 Aug 202619:17
osv
ptsecurity
Positive Technologies
PT-2026-70850
11 Aug 202600:00
ptsecurity
ubuntucve
UbuntuCve
CVE-2026-18693
11 Aug 202619:17
ubuntucve
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-18693
19 Aug 202600:00
nessus
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"
      },
      {
        "status": "affected",
        "version": "7.0",
        "lessThan": "7.0.40",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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