# CVE-2026-33261

> Vulnerability · severity: **MEDIUM** (CVSS 5.9).

## Description

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service.

## Key facts

- **CVE ID:** CVE-2026-33261
- **Published:** 2026-04-22
- **CVSS severity:** MEDIUM
- **CVSS base score:** 5.9
- **CWE codes:** CWE-353

## Affected products

- `powerdns:recursor`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-33261

## Citation

> AI Analytics. CVE-2026-33261. Retrieved 2026-07-11 from https://api.ai-analytics.org/cve/CVE-2026-33261. Derived from NIST NVD. Licensed CC0.

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