CVE-2026-33262

Insufficient validation of cookie reply

5.9MediumCVSS base score
0.42%Exploitation in 30 daysEPSS · top 63% of all CVEs
NoKnown exploitednot in CISA's KEV catalog
NonePublic exploitsnone known yet

Description

An attacker can send replies that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service. Cookies are disabled by default.

Timeline

2026
18 Mar 2026
18 Mar 2026
ID reserved
By OX
22 Apr 202635 days later
22 Apr 2026· 35 days later
Published

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-33262, by who scored it
Scored by	CVSS	Score	Vector
OXCNA (assigner)	3.1	Medium5.9	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Analyzed	3.1	Medium5.9	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS (exploitation in 30 days): 0.42% · top 63% of all CVEs (12 Nov 2026)
CISA SSVC: Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.

Affected products

PowerDNS · Recursor
- affected 5.4.0 – < 5.4.1
- affected 5.3.0 – < 5.3.6
- affected 5.2.0 – < 5.2.9

References1

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html (opens in a new tab)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

[![CVE-2026-33262](https://cveledger.app/badge/CVE-2026-33262.svg)](https://cveledger.app/cve/CVE-2026-33262)

Record last updated 22 Apr 2026, 18:09 UTC.