Vulnerability · Published May 21, 2026 · Assigned by OX
CVE-2026-41999Incorrect Behaviour of Views with TCP PROXY Requests
Medium 4.8
In plain English
A medium-severity improper access control in Authoritative from PowerDNS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.8Medium
Exploit odds (30 days)0.1%top 96.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Incorrect Behaviour of Views with TCP PROXY Requests
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.23 | pdns | 5.0.5-r0 | ALPINE-CVE-2026-41999 |
| Alpine:v3.24 | pdns | 5.0.5-r0 | ALPINE-CVE-2026-41999 |
| Debian:12 | pdns | no fix listed | DEBIAN-CVE-2026-41999 |
| Debian:14 | pdns | 5.0.5-1 | DEBIAN-CVE-2026-41999 |
| Ubuntu:24.04:LTS | pdns | no fix listed | UBUNTU-CVE-2026-41999 |
| Ubuntu:25.10 | pdns | no fix listed | UBUNTU-CVE-2026-41999 |
| Ubuntu:26.04:LTS | pdns | no fix listed | UBUNTU-CVE-2026-41999 |
| Ubuntu:26.10 | pdns | no fix listed | UBUNTU-CVE-2026-41999 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PowerDNS | Authoritative | 5.0.0 – before 5.0.5 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N