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CVE-2026-18711

Medium priority
Needs evaluation

An issue in MongoDB Server's query execution engine could allow an authenticated user with read and write privileges to cause an internal reference to be used after the underlying memory has been freed, when running certain...

1 affected package

mongodb

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Not in release Needs evaluation Needs evaluation
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CVE-2026-18709

Medium priority
Needs evaluation

An issue in MongoDB Server could allow an authenticated user with direct network access to a shard to improperly commit or abort an in-progress prepared transaction, bypassing the intended transaction coordination process. This...

1 affected package

mongodb

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Not in release Needs evaluation Needs evaluation
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CVE-2026-18708

Medium priority
Needs evaluation

An issue in MongoDB Server's JavaScript scripting engine could allow an authenticated user with write privileges to cause code they control to be executed within the query scope of other users, through a specially crafted stored...

1 affected package

mongodb

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Not in release Needs evaluation Needs evaluation
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CVE-2026-18707

Medium priority
Needs evaluation

An issue in MongoDB Server could allow an authenticated user, including one with no assigned privileges, to cause the server process to terminate unexpectedly by submitting a specially formed aggregation command. This could result...

1 affected package

mongodb

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Not in release Needs evaluation Needs evaluation
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CVE-2026-18706

Medium priority
Needs evaluation

An issue in MongoDB Server's $graphLookup aggregation stage could allow an authenticated user able to issue aggregation and memory-management commands to cause an internal reference to be used after the underlying memory has been...

1 affected package

mongodb

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Not in release Needs evaluation Needs evaluation
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CVE-2026-18705

Medium priority
Needs evaluation

An issue in MongoDB Server's Atlas Vector Search feature could allow an authenticated user with read access to one view to retrieve documents from a different, protected view over the same underlying collection. This is due to...

1 affected package

mongodb

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Not in release Needs evaluation Needs evaluation
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CVE-2026-18704

Medium priority
Needs evaluation

An issue in MongoDB Server's aggregation framework could allow an authenticated user with only read privileges to perform write operations against collections they should not be able to modify. This is due to an internal-use...

1 affected package

mongodb

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Not in release Needs evaluation Needs evaluation
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CVE-2026-18703

Medium priority
Needs evaluation

An issue in MongoDB Server could allow a party with a valid client certificate and a corresponding user account to authenticate using a certificate-based authentication method, even when an administrator has configured the server...

1 affected package

mongodb

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Not in release Needs evaluation Needs evaluation
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CVE-2026-18702

Medium priority
Needs evaluation

An issue in MongoDB Server could allow an authenticated user with limited, database-scoped privileges to modify diagnostic logging settings that affect the entire server rather than just the intended database. This could allow...

1 affected package

mongodb

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Not in release Needs evaluation Needs evaluation
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CVE-2026-18701

Medium priority
Needs evaluation

An issue in MongoDB Server's query subsystem could allow an authenticated user with read privileges to cause the server process to terminate unexpectedly by submitting a specially formed query filter. This could result in a denial...

1 affected package

mongodb

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Not in release Needs evaluation Needs evaluation
Show less packages