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Vulnerability Details CVE-2026-18692

An issue in MongoDB Server's handling of timeseries bucket lifecycle could allow an authenticated user with write privileges to cause an internal reference to be used after the underlying memory has been freed. Subsequent operations could then result in a server crash or, potentially, execution of unintended code.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.004

EPSS Ranking 36.8%

CVSS Severity

CVSS v3 Score 8.8

References

https://jira.mongodb.org/browse/SERVER-129887

Products affected by CVE-2026-18692

Mongodb » Mongodb » Version: 8.0.0

cpe:2.3:a:mongodb:mongodb:8.0.0
Mongodb » Mongodb » Version: 8.0.1

cpe:2.3:a:mongodb:mongodb:8.0.1
Mongodb » Mongodb » Version: 8.0.10

cpe:2.3:a:mongodb:mongodb:8.0.10
Mongodb » Mongodb » Version: 8.0.11

cpe:2.3:a:mongodb:mongodb:8.0.11
Mongodb » Mongodb » Version: 8.0.12

cpe:2.3:a:mongodb:mongodb:8.0.12
Mongodb » Mongodb » Version: 8.0.13

cpe:2.3:a:mongodb:mongodb:8.0.13
Mongodb » Mongodb » Version: 8.0.14

cpe:2.3:a:mongodb:mongodb:8.0.14
Mongodb » Mongodb » Version: 8.0.15

cpe:2.3:a:mongodb:mongodb:8.0.15
Mongodb » Mongodb » Version: 8.0.16

cpe:2.3:a:mongodb:mongodb:8.0.16
Mongodb » Mongodb » Version: 8.0.17

cpe:2.3:a:mongodb:mongodb:8.0.17
Mongodb » Mongodb » Version: 8.0.18

cpe:2.3:a:mongodb:mongodb:8.0.18
Mongodb » Mongodb » Version: 8.0.19

cpe:2.3:a:mongodb:mongodb:8.0.19
Mongodb » Mongodb » Version: 8.0.2

cpe:2.3:a:mongodb:mongodb:8.0.2
Mongodb » Mongodb » Version: 8.0.20

cpe:2.3:a:mongodb:mongodb:8.0.20
Mongodb » Mongodb » Version: 8.0.21

cpe:2.3:a:mongodb:mongodb:8.0.21
Mongodb » Mongodb » Version: 8.0.23

cpe:2.3:a:mongodb:mongodb:8.0.23
Mongodb » Mongodb » Version: 8.0.24

cpe:2.3:a:mongodb:mongodb:8.0.24
Mongodb » Mongodb » Version: 8.0.25

cpe:2.3:a:mongodb:mongodb:8.0.25
Mongodb » Mongodb » Version: 8.0.26

cpe:2.3:a:mongodb:mongodb:8.0.26
Mongodb » Mongodb » Version: 8.0.28

cpe:2.3:a:mongodb:mongodb:8.0.28
Mongodb » Mongodb » Version: 8.0.3

cpe:2.3:a:mongodb:mongodb:8.0.3
Mongodb » Mongodb » Version: 8.0.4

cpe:2.3:a:mongodb:mongodb:8.0.4
Mongodb » Mongodb » Version: 8.0.5

cpe:2.3:a:mongodb:mongodb:8.0.5
Mongodb » Mongodb » Version: 8.0.6

cpe:2.3:a:mongodb:mongodb:8.0.6
Mongodb » Mongodb » Version: 8.0.7

cpe:2.3:a:mongodb:mongodb:8.0.7
Mongodb » Mongodb » Version: 8.0.8

cpe:2.3:a:mongodb:mongodb:8.0.8
Mongodb » Mongodb » Version: 8.0.9

cpe:2.3:a:mongodb:mongodb:8.0.9
Mongodb » Mongodb » Version: 8.2.0

cpe:2.3:a:mongodb:mongodb:8.2.0
Mongodb » Mongodb » Version: 8.2.1

cpe:2.3:a:mongodb:mongodb:8.2.1
Mongodb » Mongodb » Version: 8.2.10

cpe:2.3:a:mongodb:mongodb:8.2.10
Mongodb » Mongodb » Version: 8.2.11

cpe:2.3:a:mongodb:mongodb:8.2.11
Mongodb » Mongodb » Version: 8.2.12

cpe:2.3:a:mongodb:mongodb:8.2.12
Mongodb » Mongodb » Version: 8.2.2

cpe:2.3:a:mongodb:mongodb:8.2.2
Mongodb » Mongodb » Version: 8.2.3

cpe:2.3:a:mongodb:mongodb:8.2.3
Mongodb » Mongodb » Version: 8.2.4

cpe:2.3:a:mongodb:mongodb:8.2.4
Mongodb » Mongodb » Version: 8.2.5

cpe:2.3:a:mongodb:mongodb:8.2.5
Mongodb » Mongodb » Version: 8.2.6

cpe:2.3:a:mongodb:mongodb:8.2.6
Mongodb » Mongodb » Version: 8.2.7

cpe:2.3:a:mongodb:mongodb:8.2.7
Mongodb » Mongodb » Version: 8.2.9

cpe:2.3:a:mongodb:mongodb:8.2.9
Mongodb » Mongodb » Version: 8.3.0

cpe:2.3:a:mongodb:mongodb:8.3.0
Mongodb » Mongodb » Version: 8.3.1

cpe:2.3:a:mongodb:mongodb:8.3.1
Mongodb » Mongodb » Version: 8.3.2

cpe:2.3:a:mongodb:mongodb:8.3.2
Mongodb » Mongodb » Version: 8.3.3

cpe:2.3:a:mongodb:mongodb:8.3.3
Mongodb » Mongodb » Version: 8.3.4

cpe:2.3:a:mongodb:mongodb:8.3.4
Mongodb » Mongodb » Version: 8.3.7

cpe:2.3:a:mongodb:mongodb:8.3.7
Mongodb » Mongodb » Version: 9.0.0

cpe:2.3:a:mongodb:mongodb:9.0.0
Mongodb » Mongodb » Version: 9.1.0

cpe:2.3:a:mongodb:mongodb:9.1.0

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Vulnerable Software

Vulnerability Details CVE-2026-18692

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