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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
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CVE-2026-18700

Medium priority
Needs evaluation

An issue in MongoDB Server's geospatial validation could allow an authenticated user with write privileges to cause an internal reference to be used after the underlying memory has been freed, through concurrent operations against...

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-2026-18699

Medium priority
Needs evaluation

An issue in MongoDB Server's query planner could allow an authenticated user with read-level privileges to cause the server process to terminate unexpectedly by submitting a specially formed query against a collection with a text...

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-2026-18698

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 should require more specific privileges. This could result in exposure...

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-2026-18697

Medium priority
Needs evaluation

An issue in MongoDB Server's aggregation framework could allow an unauthenticated party to cause a mongos (router) process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a...

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-2026-18696

Medium priority
Needs evaluation

An issue in MongoDB Server's applyOps command could allow an authenticated user with specific non-default privileges to perform certain data-definition operations, such as dropping or modifying collections, against collections...

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-2026-18695

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
Show less packages