CVE-2026-14666: PostgreSQL row security caching disregards role modifications

CSIRTS triage

What: Row-level security policy cache fails to account for role modifications, allowing unauthorized data access.
Who is affected: PostgreSQL deployments relying on row-level security with dynamic role changes are affected.
Urgency: Medium severity with CVSS 4.2; requires specific role modification patterns to exploit.
Action: Update PostgreSQL to a patched version and review row-level security policy effectiveness.

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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-2026-146660.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all EPSS-scored CVEs.

CVE	CSIRTS overview	External
CVE-2026-14666	coverage & exploitation status	NVD · CVE.org

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