CVE-2026-18447
HIGH
MEDIUM
Priority: 0.05
BB Relevance:
68/100
Published: 2026-11-12
Modified: 2026-11-13
First seen: 2026-11-12
Status: active
Attack Surface
Network
Low Complexity
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
Low
UI:
None
S:
Unchanged
C:
High
I:
High
A:
High
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.
Weakness Classification (1)
Affected Software (15)
| Vendor | Product | Version |
|---|---|---|
| n/a | PostgreSQL | 18 < 18.7 |
| n/a | PostgreSQL | 17 < 17.12 |
| n/a | PostgreSQL | 16 < 16.16 |
| n/a | PostgreSQL | 15 < 15.20 |
| n/a | PostgreSQL | 0 < 14.25 |
| n/a | PostgreSQL | 18 < 18.7 |
| n/a | PostgreSQL | 17 < 17.12 |
| n/a | PostgreSQL | 16 < 16.16 |
| n/a | PostgreSQL | 15 < 15.20 |
| n/a | PostgreSQL | 0 < 14.25 |
| n/a | PostgreSQL | 18 < 18.7 |
| n/a | PostgreSQL | 17 < 17.12 |
| n/a | PostgreSQL | 16 < 16.16 |
| n/a | PostgreSQL | 15 < 15.20 |
| n/a | PostgreSQL | 0 < 14.25 |