EUVD-2026-26262
Integer Underflow (CWE-191)
2026-04-29
mongodb
7.1
CVSS 4.0
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CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X
Lifecycle Timeline
6
Patch released
Apr 30, 2026 - 15:13 nvd
Patch available
Patch available
Apr 29, 2026 - 19:02 EUVD
Severity Changed
Apr 29, 2026 - 17:22 NVD
MEDIUM
HIGH
CVSS changed
Apr 29, 2026 - 17:22 NVD
6.5 (MEDIUM)
7.1 (HIGH)
EUVD ID Assigned
Apr 29, 2026 - 17:15 euvd
EUVD-2026-26262
CVE Published
Apr 29, 2026 - 16:47 nvd
HIGH 7.1
DescriptionNVD
Computing the MD5 checksum of a malformed BSON object under specific conditions may cause loss of availability in MongoDB server. This issue affects all MongoDB Server v8.2 versions, all MongoDB Server v8.1 versions, MongoDB Server v8.0 versions prior to 8.0.21, MongoDB Server v7.0 versions prior to 7.0.32
Analysis
Computing the MD5 checksum of a malformed BSON object under specific conditions may cause loss of availability in MongoDB server. This issue affects all MongoDB Server v8.2 versions, all MongoDB Server v8.1 versions, MongoDB Server v8.0 versions prior to 8.0.21, MongoDB Server v7.0 versions prior to 7.0.32
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External POC / Exploit Code
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Destination URL
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