CVE-2026-33608
High
Description
An attacker can send a notify request that causes a new secondary domain to be added to the bind backend, but causes said backend to update its configuration to an invalid one, leading to the backend no longer able to run on the next restart, requiring manual operation to fix it.
SeverityHigh
CVSS7.4
Exploit probability—
ProductPowerdns Authoritative
PublishedApr 22, 2026
First seenApr 22, 2026
Weakness typeCWE-94Code injection
How to fix
Update
- powerdns authoritative4.9.14, 5.0.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| powerdns authoritative | 4.9.0 ≤ v < 4.9.14, 5.0.0 ≤ v < 5.0.4 | 4.9.14, 5.0.4 |
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