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postgresql: PostgreSQL: Operating system account hijack via symlink following in pg_basebackup and pg_rewind

🗓️ 06 Jul 2026 09:53:52Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 6 Views

PostgreSQL flaw lets a superuser hijack the operating system account via symlink following in pg_basebackup and pg_rewind.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM QRadar SIEM is vulnerable to using components with known vulnerabilities
16 Jun 202615:07
–ibm
FreeBSD		PostgreSQL -- Multiple vulnerabilities
14 May 202600:00
–freebsd
ATTACKERKB		CVE-2026-6475
14 May 202613:00
–attackerkb
Tenable Nessus		Amazon Linux 2023 : postgresql17, postgresql17-contrib, postgresql17-llvmjit (ALAS2023-2026-1766)
8 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : postgresql16, postgresql16-contrib, postgresql16-llvmjit (ALAS2023-2026-1767)
8 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : postgresql15, postgresql15-contrib, postgresql15-llvmjit (ALAS2023-2026-1768)
8 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : postgresql18, postgresql18-contrib, postgresql18-llvmjit (ALAS2023-2026-1780)
8 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : postgresql, --advisory ALAS2POSTGRESQL14-2026-024 (ALASPOSTGRESQL14-2026-024)
8 Jun 202600:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0164: libpq (ALINUX3-SA-2026:0164)
1 Jul 202600:00
–nessus
Tenable Nessus		AlmaLinux 9 : postgresql:16 (ALSA-2026:26203)
2 Jul 202600:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.8ppc64lelibpq0:13.23-1.el8_8.1libpq-0:13.23-1.el8_8.1.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64libpq0:13.23-1.el8_8.1libpq-0:13.23-1.el8_8.1.x86_64.rpm
Red Hat Enterprise Linux8.8anylibpq0:13.23-1.el8_8.1.i686libpq-0:13.23-1.el8_8.1.i686.noarch.rpm
Red Hat Enterprise Linux8.8ppc64lelibpq-debuginfo0:13.23-1.el8_8.1libpq-debuginfo-0:13.23-1.el8_8.1.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64libpq-debuginfo0:13.23-1.el8_8.1libpq-debuginfo-0:13.23-1.el8_8.1.x86_64.rpm
Red Hat Enterprise Linux8.8anylibpq-debuginfo0:13.23-1.el8_8.1.i686libpq-debuginfo-0:13.23-1.el8_8.1.i686.noarch.rpm
Red Hat Enterprise Linux8.8ppc64lelibpq-debugsource0:13.23-1.el8_8.1libpq-debugsource-0:13.23-1.el8_8.1.ppc64le.rpm
Red Hat Enterprise Linux8.8x86_64libpq-debugsource0:13.23-1.el8_8.1libpq-debugsource-0:13.23-1.el8_8.1.x86_64.rpm
Red Hat Enterprise Linux8.8anylibpq-debugsource0:13.23-1.el8_8.1.i686libpq-debugsource-0:13.23-1.el8_8.1.i686.noarch.rpm
Red Hat Enterprise Linux8.8ppc64lelibpq-devel0:13.23-1.el8_8.1libpq-devel-0:13.23-1.el8_8.1.ppc64le.rpm
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09 Jul 2026 11:55Current
7.2High risk
Vulners AI Score7.2
CVSS 3.18.8
EPSS0.00324
SSVC
CWE-59
symlink followingpg_basebackuppg_rewindorigin superuseroverwrite local filesoperating system accountunix
6