Dashboard / CVE-2026-33599

CVE-2026-33599

HIGH
MEDIUM Priority: 0.02 BB Relevance: 61/100
Published: 2026-04-22 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Adjacent Low Complexity No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

AV: Adjacent
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: None
A: High

Description

A rogue backend can send a crafted SVCB response to a Discovery of Designated Resolvers request, when requested via either the autoUpgrade (Lua) option to newServer or auto_upgrade (YAML) settings. DDR upgrade is not enabled by default.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
powerdns dnsdist 1.9.0 – 1.9.13
powerdns dnsdist 2.0.0 – 2.0.4

References & Advisories (1)

Bug Bounty Relevance

61 / 100
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

8.1 / 10.0 v3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS — Exploitation Probability

0.28%
Raw Score 0.002830
Percentile 20.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00283
2026-10-28
0.00283

Intelligence Sources

nvd ref →

External Links