CVE-2026-14681

A flaw was found in PostgreSQL. Improper enforcement of message integrity in PostgreSQL's GSSAPI Generic Security Service Application Program Interface support allows a user to negotiate GSSAPI contrary to pghba.conf rules by initiating a direct TLS Transport Layer Security connection. This enabl...

PostgreSQL 17.x < 17.11 / 18.x < 18.6 GSSAPI Improper Message Integrity Enforcement

The version of PostgreSQL installed on the remote host is 17 prior to 17.11 or 18 prior to 18.6. As such, it is potentially affected by a security bypass vulnerability: - Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pghba.con...

BIT-POSTGRESQL-2026-14681 PostgreSQL improper enforcement of GSSAPI encryption when coupled with SSL

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pghba.conf rules, via initial direct TLS connection. Despite a pghba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone. If the TLS...

SUSE CVE-2026-14681

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pghba.conf rules, via initial direct TLS connection. Despite a pghba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone. If the TLS...

CVE-2026-14681

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pghba.conf rules, via initial direct TLS connection. Despite a pghba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone. If the TLS...

ALPINE-CVE-2026-14681

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pghba.conf rules, via initial direct TLS connection. Despite a pghba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone. If the TLS...

UBUNTU-CVE-2026-14681

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pghba.conf rules, via initial direct TLS connection. Despite a pghba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone. If the TLS...

CVE-2026-14681

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pghba.conf rules, via initial direct TLS connection. Despite a pghba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone. If the TLS...

CVE-2026-14681 PostgreSQL improper enforcement of GSSAPI encryption when coupled with SSL

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pghba.conf rules, via initial direct TLS connection. Despite a pghba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone. If the TLS...

EUVD-2026-57845

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pghba.conf rules, via initial direct TLS connection. Despite a pghba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone. If the TLS...

CVE-2026-14681

CVE-2026-14681 is a PostgreSQL vulnerability describing improper enforcement of message integrity in GSSAPI support. The issue allows a user to negotiate GSSAPI contrary to pg_hba.conf rules via an initial direct TLS connection, potentially permitting data exchange over TLS even when GSSAPI is re...

CVE-2026-14681

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pghba.conf rules, via initial direct TLS connection. Despite a pghba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone. If the TLS...

CVE-2026-14681

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pghba.conf rules, via initial direct TLS connection. Despite a pghba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone. If the TLS...

Vulnerability in core server (CVE-2026-14681)

PostgreSQL improper enforcement of GSSAPI encryption when coupled with SSL Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pghba.conf rules, via initial direct TLS connection. Despite a pghba.conf that appears to require GSSAPI,...

PT-2026-71477

Name of the Vulnerable Software and Affected Versions PostgreSQL versions 17.0 through 17.10 PostgreSQL versions 18.0 through 18.4 Description Improper enforcement of message integrity in GSSAPI support allows a user to negotiate GSSAPI in a manner that contradicts pg hba.conf rules during an...

Linux Distros Unpatched Vulnerability : CVE-2026-14681

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pghba.conf rules, via initial direct TLS...

PostgreSQL Connection and Authorization Information

Article Applicability This article provides general information regarding PostgreSQL configuration and connectivity. The details are based on and tested exclusively with Windows-based PostgreSQL instances installed by Veeam products such as Veeam Backup & Replication, Veeam ONE, and Veeam Backup...

openGauss: Restricting the Permission for the pg_hba.conf File

The configuration file pghba.conf stores the configuration information about database connections. To prevent the parameters in the file from being tampered and protect customer information from security threats, this file directory must be protected and deny unauthorized user access. Copyright C...

GaussDB Kernel: Prohibiting host Entries (Except Intra-Cluster Nodes) from Using Trust Authentication in the pg_hba.conf File

Cluster nodes are deployed on the secure intranet. Only the communications between intra-cluster nodes are allowed to use trust authentication. Trust authentication assumes that all users who can connect to the cluster server nodes can access the database. This method is applied only when all use...

GaussDB Kernel: Deleting hostnossl Entries from the pg_hba.conf File

The connections specified by the hostnossl entries are not encrypted using SSL. Considering security, you are advised to use the SSL connection. SSL can be used for connections between the CN and external nodes but not for connections between internal nodes. Copyright C 2020 Greenbone Networks Gm...