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CVE-2026-6469

PostgreSQL ALTER TABLE ALTER TYPE resets extended statistics ownership

LOW
3.8
CVSS Score
Published: August 13, 2026 at 01:00 PM UTC
Updated: August 29, 2026 at 11:33 PM UTC
1 product affected across 1 vendorPostgreSQL

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Severity
LOW3.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Incorrect ownership assignment in PostgreSQL ALTER TABLE ALTER TYPE command reassigns ownership of dependent statistics objects to the current user. This wrongly allows the table owner to run DROP STATISTICS and ALTER STATISTICS via this improper ownership. It wrongly denies those commands to the prior statistics object owner. DROP TABLE remains able to remove statistics objects, so this exploit achieves nothing in many ownership arrangements. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

PostgreSQL· PostgreSQL
95%
v < 14.2414.0 ≤ v < 14.2415 ≤ v < 15.1915.0 ≤ v < 15.1916 ≤ v < 16.1516.0 ≤ v < 16.1517 ≤ v < 17.1117.0 ≤ v < 17.1118 ≤ v < 18.618.0 ≤ v < 18.515161718
Affected range stops below 14.24, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.19, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.15, so it looks safe — our inference, not a vendor statement
Affected range stops below 17.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://www.postgresql.org/support/security/CVE-2026-6469/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.8LOWPostgreSQL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-708

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