CVE-2026-15741: PostgreSQL expression deparse allows SQL injection via EXTRACT argument

highCVSS 8.8CVE-2026-15741

CSIRTS triage

vendor: PostgreSQL product: PostgreSQL SQL injection Code injection

What: Expression deparse functionality fails to properly escape EXTRACT function arguments, enabling SQL injection.
Who is affected: PostgreSQL deployments where expression deparse output is used in dynamic queries.
Urgency: High severity (CVSS 8.8); SQL injection can lead to data exfiltration or code execution.
Action: Update PostgreSQL to a patched version addressing CVE-2026-15741.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 8.8
Published: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-15741

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-157410.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-15741	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

high[NEW] [high] PostgreSQL: Multiple vulnerabilitiescert-bund
unknownUSN-8653-1: PostgreSQL vulnerabilitiesubuntu
unknownMultiple vulnerabilities in PostgreSQL (August 14, 2026)cert-fr-avis
highCVE-2026-15741: SQL injection in PostgreSQL EXTRACT() deparse allows an object owner to execute arbitrary SQL …nvd

Recent advisories for PostgreSQL expression deparse

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-15741: SQL injection in PostgreSQL EXTRACT() deparse allows an object owner to execute arbitrary SQL …nvd · 2026-08-13