CVE-2026-24029
DNS over HTTPS ACL bypass
- State
- Published
- Severity
- 6.5 Medium
- Published
- Mar 31, 2026
- Updated
- Mar 31, 2026
- Reserved
- Jan 20, 2026
Description
When the early_acl_drop (earlyACLDrop in Lua) option is disabled (default is enabled) on a DNS over HTTPs frontend using the nghttp2 provider, the ACL check is skipped, allowing all clients to send DoH queries regardless of the configured ACL.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N | OX |
Weaknesses
- CWE-863 Incorrect Authorization
Affected Products
| Product | Versions |
|---|---|
DNSdistPowerDNS |
|
References
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