HIGH 7.1 NVD
CVE-2026-77071
n8n before 1.123.69, 2.33.4, and 2.34.1 contains a PostgREST filter injection vulnerability in the Supabase node's Row Get Many, Delete, and Update operations,
n8n before 1.123.69, 2.33.4, and 2.34.1 contains a PostgREST filter injection vulnerability in the Supabase node's Row Get Many, Delete, and Update operations, which built filter queries by concatenating an expression-bindable value without escaping. An attacker could inject a condition that widened the filter to match every row, turning an intended single-row operation into full-table disclosure, deletion, or modification.
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-f4f3-2g67-4vhm
- https://www.vulncheck.com/advisories/n8n-before-postgrest-filter-injection-via-supabase
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-08-20 via NVD.
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