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CVE-2026-18695

Medium priority
Needs evaluation

An issue in MongoDB Server's handling of certain query predicates against time-series collections with a metaField could allow an authenticated user with write access to cause the server process to terminate...

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-2026-18694

Medium priority
Needs evaluation

An issue in MongoDB Server's geospatial query processing could allow an authenticated user with write privileges to cause certain malformed geometry data to be stored and later processed without proper validation. Subsequent...

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-2026-18693

Medium priority
Needs evaluation

An issue in MongoDB Server's handling of timeseries collections could allow an authenticated user with write privileges to cause an internal data structure to become inconsistent through certain document insertions. A subsequent...

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-2026-18692

Medium priority
Needs evaluation

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....

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-2026-18691

Medium priority
Needs evaluation

An issue in MongoDB Server's intra-cluster connection setup could allow a party with suitable network access to influence which authentication mechanism is used when one replica set member connects to another. Under 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-2026-18690

Medium priority
Needs evaluation

An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that their assigned privileges should not permit. This could result in...

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-2026-18688

Medium priority
Needs evaluation

An issue in MongoDB Server's aggregation framework could allow an authenticated user to trigger an out-of-bounds memory read by providing a specially formed numeric parameter in a certain aggregation pipeline stage. This could...

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-2026-18687

Medium priority
Needs evaluation

MongoDB Server's handling of a Queryable Encryption maintenance operation did not properly validate certain request parameters against the collection's encrypted field configuration before use. An authenticated user with readWrite...

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-2026-9737

Medium priority
Needs evaluation

During query planning when reading the sort pattern in raw BSONObj form, in some places we don’t explicitly handle the meta expression case. This may lead to incorrect transformations leading to invariant failure.

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-2026-13078

Medium priority
Needs evaluation

A vulnerability was discovered in MongoDB Server where the server-side MozJS scripting engine unconditionally registered a module loading hook that enables JavaScript calls to read arbitrary files from the host filesystem using...

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