CVE-2026-82527: R2R 3.6.6 SQL Injection via Retrieval Search Filter Key

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-03 · updated 2026-09-23
Weakness: CWE-89

Description

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.

Affected products

SciPhi-AI R2R: through 3.6.6

References

https://github.com/SciPhi-AI/R2R/issues/2308
https://www.vulncheck.com/advisories/r2r-sql-injection-via-retrieval-search-filter-key

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