CVE-2026-105856 Payload - SQL Injection

Payload before 3.90.0 and 4.0.0-canary.34 contains a SQL injection caused by crafted field path and operators in JSON or blocks fields with blocksAsJSON enabled, letting attackers with read and create or update access inject SQL.

CVSS base score 8.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.27% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
SQL Injection
Impact
SQL Injection
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Published
6 October 2026
Updated
15 October 2026
Weakness
CWE-89

Vendor fix

Upgrade to version 3.90.0, 4.0.0-canary.34, or 3.73.0 for Postgres packages.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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