CVE-2026-52686
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Wildcard CNAME proof validation bypass
The issue is a DNSSEC validation bypass where wildcard expansion proofs (NSEC/NSEC3 records) are accepted without signature validation when the wildcard answer is a CNAME or DNAME record.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Recursor
- Vendor
- PowerDNS
- Product
- Recursor
- Platforms
- Unknown
- Default status
unaffected- Package
- pdns-recursor
- Package collection
- https://repo.powerdns.com/
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.2.0 | affected | semver | 5.2.12 | Unavailable | None listed |
| 5.3.0 | affected | semver | 5.3.9 | Unavailable | None listed |
| 5.4.0 | affected | semver | 5.4.4 | Unavailable | None listed |