VulnerabilityAwaiting Analysis
CVE-2026-52688
RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
HIGH 7.5EPSS 0.12%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.12% probability · 2th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-295, CWE-345
- Source
- security@open-xchange.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.