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CVE-2026-4358

Medium priority
Needs evaluation

(A specially crafted aggregation query with $lookup by an authenticated ...)

1 affected package

mongodb

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Needs evaluation Needs evaluation
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CVE-2026-4148

Medium priority
Needs evaluation

(A use-after-free vulnerability can be triggered in sharded clusters by ...)

1 affected package

mongodb

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Needs evaluation Needs evaluation
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CVE-2026-4147

Medium priority
Needs evaluation

(An authenticated user with the read role may read limited amounts of u ...)

1 affected package

mongodb

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Needs evaluation Needs evaluation
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CVE-2026-25613

Medium priority
Vulnerable

An authorized user may disable the MongoDB server by issuing a query against a collection that contains an invalid compound wildcard index.

1 affected package

mongodb

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Vulnerable Vulnerable
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CVE-2026-25610

Medium priority
Vulnerable

An authorized user may trigger a server crash by running a $geoNear pipeline with certain invalid index hints.

1 affected package

mongodb

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Vulnerable Vulnerable
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CVE-2026-25609

Medium priority
Not affected

Incorrect validation of the profile command may result in the determination that a request altering the 'filter' is read-only.

1 affected package

mongodb

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Not affected Not affected
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CVE-2026-1850

Medium priority
Not affected

Complex queries can cause excessive memory usage in MongoDB Query Planner resulting in an Out-Of-Memory Crash.

1 affected package

mongodb

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Not affected Not affected
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CVE-2026-1849

Medium priority
Vulnerable

MongoDB Server may experience an out-of-memory failure while evaluating expressions that produce deeply nested documents. The issue arises in recursive functions because the server does not periodically check the depth of the expression.

1 affected package

mongodb

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Vulnerable Vulnerable
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CVE-2026-1848

Medium priority
Not affected

Connections received from the proxy port may not count towards total accepted connections, resulting in server crashes if the total number of connections exceeds available resources. This only applies to connections accepted from...

1 affected package

mongodb

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Not affected Not affected
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CVE-2026-1847

Medium priority
Vulnerable

Inserting certain large documents into a replica set could lead to replica set secondaries not being able to fetch the oplog from the primary. This could stall replication inside the replica set leading to server crash.

1 affected package

mongodb

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Vulnerable Vulnerable
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