SQL Injection in Sciphi-Ai R2r
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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (52.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003
Affected products
Weakness classification (CWE)
References
- github.com/SciPhi-AI/R2R/issues/2308
- www.vulncheck.com/advisories/r2r-sql-injection-via-vector-index-creation-endpoi… (third-party-advisory)
- github.com/SciPhi-AI/R2R/issues/2309 (technical-description, exploit)
Frequently asked questions
- What is CVE-2026-82526?
- CVE-2026-82526 is a critical-severity vulnerability in Sciphi-Ai R2r, 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.