---
cve: "CVE-2026-82526"
severity: "CRITICAL"
cvss: 9.3
epss: "0.7%"
vendor: "SciPhi-AI"
kev: false
exploited: false
published: "2026-09-03 19:17:29"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-23T19:45:20+02:00"
---

# CVE-2026-82526

> 9.3 CRITICAL · 🧪 PoC

## Beschreibung

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.

## CNA-Record (Kanon, cvelistV5)

- CNA: **VulnCheck**
- State: PUBLISHED
- Stand: 2026-09-04 13:41:55
- CNA-CVSS: **9.3** (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **poc**
  - Automatable: **yes**
  - Technical Impact: **total**

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Schwachstellen-Klasse

- **CWE-89** — Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
  The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as…

## Angriffsmuster (CAPEC)

- [CAPEC-7 — Blind SQL Injection](https://capec.mitre.org/data/definitions/7.html) _(Severity: High)_
- [CAPEC-66 — SQL Injection](https://capec.mitre.org/data/definitions/66.html) _(Severity: High)_
- [CAPEC-108 — Command Line Execution through SQL Injection](https://capec.mitre.org/data/definitions/108.html) _(Severity: Very High)_
- [CAPEC-109 — Object Relational Mapping Injection](https://capec.mitre.org/data/definitions/109.html) _(Severity: High)_
- [CAPEC-110 — SQL Injection through SOAP Parameter Tampering](https://capec.mitre.org/data/definitions/110.html) _(Severity: Very High)_
- [CAPEC-470 — Expanding Control over the Operating System from the Database](https://capec.mitre.org/data/definitions/470.html) _(Severity: Very High)_

## Referenzen

- <https://github.com/SciPhi-AI/R2R/issues/2309>
- <https://www.vulncheck.com/advisories/r2r-sql-injection-via-vector-index-creation-endpoint>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-82526/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_