Use-After-Free in MongoDB Geospatial Validation Leads to Denial of Service

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 a collection using a certain type of validator. This could result ...

CVE-2026-18700

CVE-2026-18700 describes a use-after-free in MongoDB Server’s geospatial validation. An authenticated user with write privileges can trigger an internal reference to be used after memory is freed via concurrent operations against a collection using a specific validator, potentially crashing the s...

CVE-2026-18700

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 a collection using a certain type of validator. This could result ...

CVE-2026-18697 Improper Input Validation in MongoDB Aggregation Framework Allows Unauthenticated Denial of Service on mongos

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 denial of service, disrupting client connections routed through the...

CVE-2026-18697

The CVE-2026-18697 entry describes an issue in MongoDB Server’s aggregation framework that can be exploited by an unauthenticated party to cause a mongos router process to terminate, resulting in a denial of service affecting client connections routed through the affected mongos instance. Reporte...

EUVD-2026-56908

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 insufficient handling of certain user-supplied fields when constructin...

CVE-2026-18695

CVE-2026-18695 affects MongoDB Server, specifically time-series collections that use a metaField. The issue occurs in how certain query predicates are processed, and an authenticated user with write access can cause the server process to terminate unexpectedly, resulting in a denial of service. T...

CVE-2026-18695 Improper Input Validation in MongoDB Timeseries Query Processing Leads to Denial of Service

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 unexpectedly, resulting in a denial of service...

Improper Input Validation in MongoDB Timeseries Query Processing Leads to Denial of Service

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 unexpectedly, resulting in a denial of service...

CVE-2026-18687 Improper Validation in MongoDB Queryable Encryption Maintenance Operation Leads to Denial of Service and Index Corruption

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 privileges could submit a specially formed request that leads to a...

CVE-2026-18687

Summary: CVE-2026-18687 affects MongoDB Server’s Queryable Encryption maintenance operation. The issue arises because request parameters are not properly validated against the collection’s encrypted field configuration before use. What’s affected: MongoDB Server handling of Queryable Encryption m...

Improper Validation in MongoDB Queryable Encryption Maintenance Operation Leads to Denial of Service and Index Corruption

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 privileges could submit a specially formed request that leads to a...

Improper Input Validation in MongoDB Aggregation Command Handling Leads to Denial of Service

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 in a denial of service...

CVE-2026-18707 Improper Input Validation in MongoDB Aggregation Command Handling Leads to Denial of Service

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 in a denial of service...

CVE-2026-18707

The CVE-2026-18707 entry concerns MongoDB Server where an authenticated user (even one with minimal privileges) can trigger a denial of service by submitting a specially crafted aggregation command that causes the server process to terminate. The available documents identify the affected product ...

CVE-2026-48809

python-engineio is a Python implementation of the Engine.IO realtime client and server. Versions prior to 4.13.2 have two specific configurations of the python-engineio server in which the size of incoming messages is not checked before the messages are loaded into memory. An attacker can take...

CVE-2026-20901

Improper input validation for some IntelR XeonR processors within firmware may allow an escalation of privilege. Startup code and smm adversary with a privileged user combined with a high complexity attack may enable data alteration. This result may potentially occur via local access when attack...

UBUNTU-CVE-2026-20901

Improper input validation for some IntelR XeonR processors within firmware may allow an escalation of privilege. Startup code and smm adversary with a privileged user combined with a high complexity attack may enable data alteration. This result may potentially occur via local access when attack...

CVE-2026-68406

A flaw was found in the cfg80211 component of the Linux kernel's Wi-Fi subsystem. This vulnerability allows the PMSR FTM request parser to accept preamble values outside the defined nl80211 range. An attacker could exploit this by providing malformed input, potentially leading to unexpected syste...

CVE-2026-68353

A flaw was found in the Linux kernel's ath6kl Wi-Fi driver. The ath6klwmitxcompleteeventrx function, responsible for handling Wi-Fi messages, does not properly validate the nummsg field provided by the firmware against the buffer length. A malicious or compromised firmware could send an inflated...