Search/CVE-2026-14670
CVE — High

CVE-2026-14670

Heap buffer overflow in PostgreSQL plperl return of a tied hash allows the function owner to execute arbitrary code as the operating system user running the database, via a crafted function body. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

CVSS v3.1
8.8 HIGH
EPSS
0.44%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Intelligence Reports1
1 intelligence report available

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EPSS Trend
Aug 16, 2026Aug 26, 2026
0.16pp
0.60% → 0.44% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Connections
2 relationships
Timeline
disclosure → media coverage
Aug 13, 2026
Disclosure — published as a CVE record.