HIGHCVSS v3.1 8.8Vulnerability

CVE-2026-18447

Type confusion in PostgreSQL SQL-language functions allows an object creator to execute arbitrary code as the operating system user running the database, via an output parameter of type "any". Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

Properties

Severity
HIGH
Nvd fetched at
2026-11-14T00:40:25.638091+00:00
Epss score
0.0059
Cvss severity
HIGH
Cvss score
8.8
Retrieved at
2026-11-14T00:51:03+00:00
Last source
FIRST EPSS
Score
8.8
Cvss version
3.1
Cve id
CVE-2026-18447
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
First seen by Signal
2026-11-12T15:57:02+00:00
Name
CVE-2026-18447
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published at
2026-11-12T15:17:51.127
Last modified
2026-11-13T05:18:39.447
Epss percentile
0.48786

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-18447 (CVSS v3.1 8.8) — Ninja Signal Threat Intelligence | Ninja Signal