CLEANSTART-2026-FW42039

CLEANSTART-2026-FW42039 PUBLISHED CVSS 9.800000190734863 CRITICAL

Record from OSV · Published January 30, 2026

vulnerability was found in PostgreSQL with the use of the MERGE command, which fails to test new rows against row security policies defined for UPDATE and SELECT

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
postgresql	CleanStart	9.6.4-r0

Risk scores

CVSS 3.0

9.800000190734863

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Vendor	Product	Versions
CleanStart	postgresql	0

Timeline

Jan 30, 2026 CVE Published

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CLEANSTART-2026-FW42039
vulnetix vdb fixes CLEANSTART-2026-FW42039

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CLEANSTART-2026-FW42039/fixes/registry"

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References

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