Medium severity5.9NVD Advisory· Published Mar 6, 2026· Updated Apr 21, 2026
CVE-2026-27138
CVE-2026-27138
Description
Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints. This can crash programs that are either directly verifying X.509 certificate chains, or those that use TLS.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- pkg.go.dev/vuln/GO-2026-4600nvdVendor Advisory
- go.dev/cl/752183nvdMailing List
- go.dev/issue/77953nvdIssue Tracking
- groups.google.com/g/golang-announce/c/EdhZqrQ98hknvdRelease Notes
News mentions
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