CVE-2026-6637
An attacker can exploit multiple vulnerabilities in PostgreSQL to execute arbitrary program code, carry out a denial-of-service attack, disclose information, manipulate files, conduct an SQL injection attack, and bypass security measures.
CSIRTS triage
- What
- An attacker can exploit multiple vulnerabilities in PostgreSQL to execute arbitrary program code, carry out a denial-of-service attack, disclose information, manipulate files, conduct an SQL injection attack, and bypass security measures.
- Who is affected
- Deployments of PostgreSQL with the affected versions.
- Urgency
- Remediation is urgent due to the high severity and potential for remote code execution and denial of service.
- Action
- Apply the latest patches for PostgreSQL.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all EPSS-scored CVEs.
Advisory coverage (9)
- high[UPDATE] [high] PostgreSQL: Multiple vulnerabilitiescert-bund · 2026-08-21
- unknownNCSC-2026-0321 [1.00] [M/H] Multiple vulnerabilities fixed in IBM AIX and IBM PowerVM VIOSncsc-nl · 2026-08-21
- unknownexploitedMultiple vulnerabilities in IBM products (August 21, 2026)cert-fr-avis · 2026-08-21
- unknownMultiple vulnerabilities in Splunk products (20 August 2026)cert-fr-avis · 2026-08-20
- unknownPostgreSQL Multiple Vulnerabilitieshkcert · 2026-08-10
- unknownMultiple vulnerabilities in Tenable products (August 4, 2026)cert-fr-avis · 2026-08-04
- unknownF5 Products Multiple Vulnerabilitieshkcert · 2026-07-29
- unknownMultiple vulnerabilities in Tenable Security Center (July 21, 2026)cert-fr-avis · 2026-07-21
- unknownMultiple vulnerabilities in Stormshield Management Center (June 29, 2026)cert-fr-avis · 2026-06-29
External references
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[](https://www.csirts.com/cve/CVE-2026-6637)