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PostgreSQL Releases Fixes for 52 Security Vulnerabilities

PostgreSQL Releases Fixes for 52 Security Vulnerabilities

First seen 12 Nov 2026, 16:49 UTC • •
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ThreatCluster AI
ThreatCluster •November 12, 2026 at 17:56 UTC
  • •52 security vulnerabilities addressed in PostgreSQL updates.
  • •Critical vulnerabilities include CVE-2026-6460 with a CVSS score of 8.8.
  • •Users are urged to update to the latest versions to prevent exploitation.

On November 12, 2026, PostgreSQL released updates addressing 52 newly disclosed security vulnerabilities across multiple versions, including 18.7, 17.12, 16.16, 15.20, and 14.25. Several of these vulnerabilities have high CVSS scores, with CVE-2026-6460 and others rated at 8.8, allowing attackers to execute arbitrary code. The vulnerabilities stem from issues like type confusion and mishandling of extension scripts. PostgreSQL developers have faced an influx of bug reports and security findings attributed to the rise of AI and LLMs. Users are urged to update their systems promptly to mitigate potential exploitation risks. The vulnerabilities affect various PostgreSQL versions, and the updates are now available for download.

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Timeline

2026-11-12
PostgreSQL updates released
PostgreSQL released updates for 52 vulnerabilities, including several critical ones with CVSS scores up to 8.8.
Phoronix
2026-11-12
CVE-2026-6460 disclosed
Type confusion vulnerability allows arbitrary code execution via ALTER ... SET DATA TYPE.
Sploitus

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Common questions

Which versions of PostgreSQL are affected?
PostgreSQL versions before 18.7, 17.12, 16.16, 15.20, and 14.25 are affected by the vulnerabilities.
What is the severity of CVE-2026-6460?
CVE-2026-6460 has a CVSS score of 8.8, indicating a high severity vulnerability that allows arbitrary code execution.
What should users do to protect their systems?
Users should immediately update to the latest PostgreSQL versions to address the vulnerabilities and mitigate risks.