CVE-2026-82526
CVE-2026-82526
R2R through 3.6.6 contains a stacked SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL statements by manipulating the index name parameter in the vector index creation endpoint. The index name is interpolated directly into a CREATE INDEX statement via string formatting without identifier quoting or allowlist validation, enabling arbitrary DDL and DML execution through semicolon-separated statements under the PostgreSQL superuser account.
Vulnerability class: SQL Injection
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-82526?
- CVE-2026-82526 is a critical-severity vulnerability, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-09-03.
- How severe is CVE-2026-82526?
- Critical severity. CVSS v3 base score is 9.8 out of 10.