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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-52688

30
FAUCET Score

RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation

First published: Jul 23, 2026Last modified: Jul 23, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.2.0, < 5.2.12CPE match
cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*
>= 5.3.0, < 5.3.9CPE match
cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*
>= 5.4.0, < 5.4.4CPE match
cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.13%
Probability of exploitation in next 30 days
EPSS Percentile
2.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0013 is in the 12th percentile among its peer group of 51,466 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.powerdns.com / recursor/security-advisories/powerdns-advisory-powerdns-2026-10.html