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CVE-2026-6476

🗓️ 14 May 2026 13:00:11Reported by Alpine Linux Development TeamType 
alpinelinux
 alpinelinux🔗 security.alpinelinux.org👁 13 Views

CVE-2026-6476: SQL injection via pg_createsubscriber can escalate to superuser on next run; affects PostgreSQL versions 17 and 18 before 17.10 and 18.4.

Related
Packages
ReporterTitlePublishedViews
Family
FreeBSD		PostgreSQL -- Multiple vulnerabilities
14 May 202600:00
–freebsd
ATTACKERKB		CVE-2026-6476
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 : postgresql18, postgresql18-contrib, postgresql18-llvmjit (ALAS2023-2026-1780)
8 Jun 202600:00
–nessus
Tenable Nessus		Debian dsa-6270 : libecpg-compat3 - security update
14 May 202600:00
–nessus
Tenable Nessus		FreeBSD : PostgreSQL -- Multiple vulnerabilities (7185ecc9-4fb7-11f1-bc50-6cc21735f730)
15 May 202600:00
–nessus
Tenable Nessus		openSUSE 16 Security Update : postgresql18 (openSUSE-SU-2026:20901-1)
11 Jun 202600:00
–nessus
Tenable Nessus		PostgreSQL 14.x < 14.23 / 15.x < 15.18 / 16.x < 16.14 / 17.x < 17.10 / 18.x < 18.4 Multiple Vulnerabilities
22 May 202600:00
–nessus
Tenable Nessus		SUSE SLED15 / SLES15 Security Update : postgresql17 (SUSE-SU-2026:1943-1)
19 May 202600:00
–nessus
Tenable Nessus		SUSE SLED15 / SLES15 Security Update : postgresql18 (SUSE-SU-2026:1944-1)
19 May 202600:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Alpine Linuxanyanypostgresql1717.10-r0postgresql17-17.10-r0.apk
Alpine Linux3.21anypostgresql1717.10-r0postgresql17-17.10-r0.apk
Alpine Linux3.22anypostgresql1717.10-r0postgresql17-17.10-r0.apk
Alpine Linux3.23anypostgresql1717.10-r0postgresql17-17.10-r0.apk
Alpine Linux3.24anypostgresql1717.10-r0postgresql17-17.10-r0.apk
Alpine Linuxanyanypostgresql1818.4-r0postgresql18-18.4-r0.apk
Alpine Linux3.23anypostgresql1818.4-r0postgresql18-18.4-r0.apk
Alpine Linux3.24anypostgresql1818.4-r0postgresql18-18.4-r0.apk

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17 Jun 2026 11:00Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.2
EPSS0.00287
SSVC
postgresqlsql injectionsubscriber creationprivilege escalationversion 17version 18
13