CVE
CVE-2026-103248
n8n before 1.123.80, 2.39.6, and 2.40.1 PostgREST Filter Injection via Supabase
n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a filter injection vulnerability in the Supabase node's Filters (String) mode that fails to escape field values. Attackers can inject filter expressions from untrusted input to read all table rows, update all records, or delete entire tables in a single request.
Package Versions Affected
Package Version
patch Availability
No items found.
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Fix Without Upgrading
Detect compatible fix
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CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.1
-
4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
9
-
3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Related Resources
No items found.
References
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103248.json, https://github.com/n8n-io/n8n/security/advisories/GHSA-xrqg-3xcp-h45x, https://nvd.nist.gov/vuln/detail/CVE-2026-103248, https://www.vulncheck.com/advisories/n8n-before-1.123.80-2.39.6-and-2.40.1-postgrest-filter-injection-via-supabase