CVE-2026-42000: PowerDNS Authoritative · Command Injection
Affects PowerDNS AuthoritativeSource CVE Database V5
Not known to be exploited · CVSS 6.8 Medium : upgrade to 5.0.5 or 4.9.15 when convenient.
Data as of 30 Oct 2026, 20:25 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 5.0.5, 4.9.15
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 21 May 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 30 Oct 2026.
What to do
Upgrade Authoritative and pdns to 5.0.5 or 4.9.15.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| PowerDNSAuthoritative | Affected
| Fixed in
|
| PowerDNSAuthoritative | Affected
| Fixed in
|
Powerdnspowerdns/authoritativepkg:rpm/powerdns/authoritativeOther threats | 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, administrators should consider restricting AXFR access to trusted sources only and monitor for unusual activity related to zone transfers. Avoid exposing vulnerable versions to untrusted networks.
Description
Insufficient Validation of Names During AXFR