Back to CVE records
Medium 6.5Published Dec 3, 2025
CVE-2025-61727An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate.
Updated under an hour ago ()
Does this affect you?
It affects golang go. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Start free and add your stack
Free account, 1 product
An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not prevent a leaf certificate from claiming the SAN *.example.com.
- CVSS
- 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Weakness (CWE)
- CWE-295
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Oct 18, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
golang go golang:go | before 1.24.11; from 1.25 before 1.25.5 | NVD |
References
- https://go.dev/cl/723900patch
- https://go.dev/issue/76442issue-tracking
- https://groups.google.com/g/golang-announce/c/8FJoBkPddm4mailing-list, release-notes
- https://pkg.go.dev/vuln/GO-2025-4175vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.