SQL Injection in Sciphi-Ai R2r
CVE-2026-82527
R2R through 3.6.6 contains a SQL injection vulnerability that allows unauthenticated attackers to inject SQL predicates into the chunks search query by manipulating the filter key parameter in the retrieval search endpoint. Attackers can exploit the direct interpolation of filter keys into the SQL WHERE clause without parameterization or escaping to perform time-based and boolean-based data exfiltration from the application database.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (38.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
Weakness classification (CWE)
References
- github.com/SciPhi-AI/R2R/issues/2308 (technical-description, exploit)
- www.vulncheck.com/advisories/r2r-sql-injection-via-retrieval-search-filter-key (third-party-advisory)
Frequently asked questions
- What is CVE-2026-82527?
- CVE-2026-82527 is a high-severity vulnerability in Sciphi-Ai R2r, classified under SQL Injection. CVSS score: 7.5/10. Published 2026-09-03.
- How severe is CVE-2026-82527?
- High severity. CVSS v3 base score is 7.5 out of 10.