As cited
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vulnerabilities
12-Year-Old PostgreSQL Vulnerability Enables Database, Server Takeover
CVE-2026-6471, a 12-year-old PostgreSQL vulnerability tracked as PostGREShell, allows attackers with low-level replication access to achieve remote code execution and gain persistent superuser privileges. The flaw enables complete database and server takeover through establishment of a durable backdoor.
Why it matters: PostgreSQL administrators and organizations running affected instances must audit replication access controls and apply patches immediately, as any account with replication privileges can compromise the entire database and underlying server.
- Source published
- First seen by Cybersecurity Tracker
Source attribution
Correction
Correction recorded as of .
vulnerabilities
12-Year-Old PostgreSQL Vulnerability Enables Database, Server Takeover
CVE-2026-6471, a 12-year-old PostgreSQL vulnerability tracked as PostGREShell, allows attackers with low-level replication access to achieve remote code execution and gain persistent superuser privileges. The flaw enables complete database and server takeover through establishment of a durable backdoor.
Why it matters: PostgreSQL administrators and organizations running affected instances must audit replication access controls and apply patches immediately, as any account with replication privileges can compromise the entire database and underlying server.
- Source published
- First seen by Cybersecurity Tracker
Source attribution
Correction
Correction recorded as of .
vulnerabilities
12-Year-Old PostgreSQL Vulnerability Enables Database, Server Takeover
CVE-2026-6471, tracked as PostGREShell, is a 12-year-old PostgreSQL vulnerability that allows attackers with low-level replication access to achieve remote code execution and establish persistent superuser privileges. The flaw enables complete database and server compromise through the creation of a backdoor account.
Why it matters: Database administrators running unpatched PostgreSQL instances with replication configured face immediate risk of full system takeover and data breach; patching should be prioritized for any exposed replication endpoints.
- Source published
- First seen by Cybersecurity Tracker