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High 7.5
Incorrect Handling of incomplete data may prevent mongoS from Accepting New Connections
MongoDB Server's mongos component can become unresponsive to new connections due to incorrect handling of incomplete data. This affects MongoDB when configured with load balancer support. This issue affects MongoDB Server v6.0 prior to 6.0.23, MongoDB Server …
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High 7.7CVE-2025-6713 Public exploit
MongoDB Server may be susceptible to privilege escalation due to $mergeCursors stage
An unauthorized user may leverage a specially crafted aggregation pipeline to access data without proper authorization due to improper handling of the $mergeCursors stage in MongoDB Server. This may lead to access to data without further authorisation. This i…
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High 7.5
Pre-authentication Denial of Service Stack Overflow Vulnerability in JSON Parsing via Excessive Recursion in MongoDB
MongoDB Server may be susceptible to stack overflow due to JSON parsing mechanism, where specifically crafted JSON inputs may induce unwarranted levels of recursion, resulting in excessive stack space consumption. Such inputs can lead to a stack overflow that…
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High 7.5
Pre-Authentication Denial of Service Vulnerability in MongoDB Server's OIDC Authentication
The MongoDB Server is susceptible to a denial of service vulnerability due to improper handling of specific date values in JSON input when using OIDC authentication. This can be reproduced using the mongo shell to send a malicious JSON payload leading to an i…
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High 8.1
MongoDB Server running on Linux may allow unexpected connections where intermediate certificates are revoked
A MongoDB server under specific conditions running on Linux with TLS and CRL revocation status checking enabled, fails to check the revocation status of the intermediate certificates in the peer's certificate chain. In cases of MONGODB-X509, which is not enab…
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High 7.5
Malformed MongoDB wire protocol messages may cause mongos to crash
Specifically crafted MongoDB wire protocol messages can cause mongos to crash during command validation. This can occur without using an authenticated connection. This issue affects MongoDB v5.0 versions prior to 5.0.31, MongoDB v6.0 versions prior to 6.0.20…
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High 8.4
MongoDB C Driver bson library may be susceptible to buffer overflow
The various bson_append functions in the MongoDB C driver library may be susceptible to buffer overflow when performing operations that could result in a final BSON document which exceeds the maximum allowable size (INT32_MAX), resulting in a segmentation fau…
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High 7.3
Accessing Untrusted Directory May Allow Local Privilege Escalation
Incorrect validation of files loaded from a local untrusted directory may allow local privilege escalation if the underlying operating systems is Windows. This may result in the application executing arbitrary behaviour determined by the contents of untrusted…
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High 7.5
MongoDB Server may have unexpected application behaviour due to invalid BSON
Improper validation of certain metadata input may result in the server not correctly serialising BSON. This can be performed pre-authentication and may cause unexpected application behavior including unavailability of serverStatus responses. This issue affect…
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High 8.8
MongoDB Server may allow successful untrusted connection
Under certain configurations of --tlsCAFile and tls.CAFile, MongoDB Server may skip peer certificate validation which may result in untrusted connections to succeed. This may effectively reduce the security guarantees provided by TLS and open connections that…
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High 7.5
Denial of service via malformed network packet
An unauthenticated client can trigger denial of service by issuing specially crafted wire protocol messages, which cause the message decompressor to incorrectly allocate memory. This issue affects MongoDB Server v4.2 versions prior to 4.2.1; MongoDB Server v4…
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High 7.5
Denial of Service when processing malformed Role names
Incorrect validation of user input in the role name parser may lead to use of uninitialized memory allowing an unauthenticated attacker to use a specially crafted request to cause a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4…
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High 8.2
Code execution on Windows via OpenSSL engine injection
An unprivileged user or program on Microsoft Windows which can create OpenSSL configuration files in a fixed location may cause utility programs shipped with MongoDB server to run attacker defined code as the user running the utility. This issue MongoDB Serve…
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High 7.1
Authorization session conflation
After user deletion in MongoDB Server the improper invalidation of authorization sessions allows an authenticated user's session to persist and become conflated with new accounts, if those accounts reuse the names of deleted ones. This issue affects MongoDB S…