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.
Metrics
Affected Vendors & Products
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Advisories
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Fixes
Solution
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Workaround
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References
| Link | Providers |
|---|---|
| https://www.postgresql.org/support/security/CVE-2026-18447/ |
|
History
Thu, 12 Nov 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | PostgreSQL output parameter type confusion executes arbitrary code | |
| Weaknesses | CWE-843 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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MITRE
Status: PUBLISHED
Assigner: PostgreSQL
Published:
Updated: 2026-11-12T14:15:31.850Z
Reserved: 2026-07-31T02:56:08.443Z
Link: CVE-2026-18447
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-11-12T15:17:51.127
Modified: 2026-11-12T15:17:51.127
Link: CVE-2026-18447
Redhat
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OpenCVE Enrichment
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Weaknesses