PostgreSQL 安全漏洞

PostgreSQL is a set of free object-relational database management systems developed by the PostgreSQL organization. This system supports most SQL standards and offers many other features, such as foreign keys, triggers, views, etc. Security vulnerabilities existed in versions prior to PostgreSQL...

CVE-2026-6472: Missing Authorization

Missing authorization in PostgreSQL CREATE TYPE allows an object creator to hijack other queries that use searchpath to find user-defined types, including extension-defined types. That is to say, the victim will execute arbitrary SQL functions of the attacker's choice. Versions before PostgreSQL...

CVE-2026-6638: Improper Neutralization of Special Elements used in an SQL Command

SQL injection in PostgreSQL logical replication ALTER SUBSCRIPTION ... REFRESH PUBLICATION allows a subscriber table creator to execute arbitrary SQL with the subscription's publication-side credentials. The attack takes effect at the next REFRESH PUBLICATION. Within major versions 16, 17, and 18...

CVE-2026-6478: Covert Timing Channel

Covert timing channel in comparison of MD5-hashed password in PostgreSQL authentication allows an attacker to recover user credentials sufficient to authenticate. This does not affect scram-sha-256 passwords, the default in all supported releases. However, current databases may have MD5-hashed...

CVE-2026-6477: Use of Inherently Dangerous Function

Use of inherently dangerous function PQfn..., resultisint=0, ... in PostgreSQL libpq loexport, loread, lolseek64, and lotell64 functions allows the server superuser to overwrite a client stack buffer with an arbitrarily-large response. Like gets, PQfn..., resultisint=0, ... stores arbitrary-lengt...

PT-2026-40918

Name of the Vulnerable Software and Affected Versions PostgreSQL versions prior to 18.4 PostgreSQL versions prior to 17.10 PostgreSQL versions prior to 16.14 PostgreSQL versions prior to 15.18 PostgreSQL versions prior to 14.23 Description Integer wraparound in multiple server features allows an...

CVE-2026-6475: UNIX Symbolic Link (Symlink) Following

Symlink following in PostgreSQL pgbasebackup plain format and in pgrewind allows an origin superuser to overwrite local files, e.g. /var/lib/postgres/.bashrc, that hijack the operating system account. It will remain the case that starting the server after these commands implicitly trusts the orig...

PT-2026-40917

Name of the Vulnerable Software and Affected Versions PostgreSQL versions prior to 18.4 PostgreSQL versions prior to 17.10 PostgreSQL versions prior to 16.14 PostgreSQL versions prior to 15.18 PostgreSQL versions prior to 14.23 Description Missing authorization in the CREATE TYPE command allows a...

PT-2026-40920

Name of the Vulnerable Software and Affected Versions PostgreSQL versions prior to 18.4 PostgreSQL versions prior to 17.10 PostgreSQL versions prior to 16.14 PostgreSQL versions prior to 15.18 PostgreSQL versions prior to 14.23 Description Symlink following in pg basebackup plain format and in pg...

CVE-2026-6476: Improper Neutralization of Special Elements used in an SQL Command

SQL injection in PostgreSQL pgcreatesubscriber allows an attacker with pgcreatesubscription rights to execute arbitrary SQL as a superuser. The attack takes effect when pgcreatesubscriber next runs. Within major versions 17 and 18, minor versions before PostgreSQL 18.4 and 17.10 are affected...

PT-2026-40925

Name of the Vulnerable Software and Affected Versions PostgreSQL versions 18.0 through 18.3 Description A buffer over-read occurs in the pg restore attribute stats function when it accepts array values of unmatched length. This causes query planning to read past the end of one array, allowing a...

Vulnerability in core server (CVE-2026-6472)

PostgreSQL CREATE TYPE does not check multirange schema CREATE privilege Missing authorization in PostgreSQL CREATE TYPE allows an object creator to hijack other queries that use searchpath to find user-defined types, including extension-defined types. That is to say, the victim will execute...

Linux Distros Unpatched Vulnerability : CVE-2026-46446

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - SOGo before 5.12.7, when PostgreSQL or MariaDB is used, and cleartext passwords are stored, allows SQL injection. This is related to cpassword = '%@' in...

CVE-2026-6575: Buffer Over-read

Buffer over-read in PostgreSQL function pgrestoreattributestats accepts array values of unmatched length, which causes query planning to read past end of one array. This allows a table maintainer to infer memory values past that array end. Within major version 18, minor versions before PostgreSQL...

Vulnerability in client (CVE-2026-6477)

PostgreSQL libpq lo functions let server superuser overwrite client stack memory Use of inherently dangerous function PQfn..., resultisint=0, ... in PostgreSQL libpq loexport, loread, lolseek64, and lotell64 functions allows the server superuser to overwrite a client stack buffer with an...

Vulnerability in client (CVE-2026-6475)

PostgreSQL pgbasebackup and pgrewind can overwrite unrelated files of origin superuser choice Symlink following in PostgreSQL pgbasebackup plain format and in pgrewind allows an origin superuser to overwrite local files, e.g. /var/lib/postgres/.bashrc, that hijack the operating system account. It...

Linux Distros Unpatched Vulnerability : CVE-2026-6478

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Covert timing channel in comparison of MD5-hashed password in PostgreSQL authentication allows an attacker to recover user credentials sufficient to authenticat...

Linux Distros Unpatched Vulnerability : CVE-2026-6637

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Stack buffer overflow in PostgreSQL module refint allows an unprivileged database user to execute arbitrary code as the operating system user running the...

KLA91051 ACE vulnerability in PostgreSQL

A remote code execution vulnerability was found in PostgreSQL. Malicious users can exploit this vulnerability to execute arbitrary code, cause denial of service. Original advisories PostgreSQL REFRESH PUBLICATION allows SQL injection via table name Exploitation Related products PostgreSQL CVE lis...

Linux Distros Unpatched Vulnerability : CVE-2026-6474

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Externally-controlled format string in PostgreSQL timeofday function allows an attacker to retrieve portions of server memory, via crafted timezone zones...