CVE-2026-33609: PowerDNS Authoritative · LDAP Injection
Affects PowerDNS AuthoritativeSource CVE Database V5
Not known to be exploited · CVSS 5.3 Medium : upgrade to 5.0.4 or 4.9.14 when convenient.
Data as of 29 Oct 2026, 19:04 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 15% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 5.0.4, 4.9.14
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 22 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade Authoritative and pdns to 5.0.4 or 4.9.14.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| PowerDNSAuthoritative | Affected
| Fixed in
|
| PowerDNSAuthoritative | Affected
| Fixed in
|
GitHubpdnspkg:github/pdnsOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
If you cannot patch yet, users should consider disabling the 8bit-dns feature if feasible or restrict access to the affected PowerDNS Authoritative instances to trusted users only.
Description
Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees.