BIT-MONGODB-2026-18691 Improper Authentication in MongoDB Intra-Cluster Connections Allows Credential Exposure

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 conditions, this could cause the cluster's shared internal credential to ...

CVE-2026-18691

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 conditions, this could cause the cluster's shared internal credential to ...

UBUNTU-CVE-2026-18691

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 conditions, this could cause the cluster's shared internal credential to ...

CVE-2026-18691 Improper Authentication in MongoDB Intra-Cluster Connections Allows Credential Exposure

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 conditions, this could cause the cluster's shared internal credential to ...

CVE-2026-18691

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 conditions, this could cause the cluster's shared internal credential to ...

CVE-2026-18691 Improper Authentication in MongoDB Intra-Cluster Connections Allows Credential Exposure

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 conditions, this could cause the cluster's shared internal credential to ...

Improper Authentication in MongoDB Intra-Cluster Connections Allows Credential Exposure

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 conditions, this could cause the cluster's shared internal credential to ...

CVE-2026-18691

The CVE describes a vulnerability in MongoDB Server’s intra-cluster connection setup where an attacker with network access can influence the authentication mechanism used when one replica set member connects to another. Under certain conditions, the shared internal credential may be transmitted i...

CVE-2026-18691 Improper Authentication in MongoDB Intra-Cluster Connections Allows Credential Exposure

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 conditions, this could cause the cluster's shared internal credential to ...

CVE-2026-18691: Selection of Less-Secure Algorithm During Negotiation

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 conditions, this could cause the cluster's shared internal credential to ...

PT-2026-70848

Name of the Vulnerable Software and Affected Versions MongoDB Server affected versions not specified Description An issue in the intra-cluster connection setup allows an attacker with suitable network access to influence the authentication mechanism used during connections between replica set...

MongoDB 5.0.x < 5.0.31 / 6.0.x < 6.0.20 / 7.0.x < 7.0.16 / 8.0.x < 8.0.4 Improper Check for Certificate Revocation (SERVER-95445)

The version of MongoDB installed on the remote host is 5.0 prior to 5.0.31, 6.0 prior to 6.0.20, 7.0 prior to 7.0.16 and 8.0 prior to 8.0.4. It is, therefore, affected by a vulnerability as referenced in the SERVER-95445 advisory. - A MongoDB server under specific conditions running on Linux with...

EUVD-2021-10136

Malware in sbrugna...

EUVD-2025-9311

Malicious code in bioql PyPI...

CVE-2021-23018

Intra-cluster communication does not use TLS. The services within the NGINX Controller 3.x before 3.4.0 namespace are using cleartext protocols inside the cluster...

CVE-2025-3085

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 enabled by default, this may lead to...

CVE-2025-3085 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 enabled by default, this may lead to...

CVE-2025-3085 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 enabled by default, this may lead to...

CVE-2025-3085 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 enabled by default, this may lead to...

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 enabled by default, this may lead to...