CVE-2026-120143

EUVD-2026-124519
Use after free in PostgreSQL trigger functions allows an object creator to execute arbitrary code as the operating system user running the database, via a cursor over a transition table.  Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
postgresql-15
bookworm
vulnerable
bookworm (security)
vulnerable
postgresql-17
trixie
vulnerable
trixie (security)
vulnerable
postgresql-18
forky
vulnerable
sid
18.7-1
fixed
Common Weakness Enumeration
References
https://www.postgresql.org/support/security/CVE-2026-120143/