Incorrect parsing of IPv6 host literals in net/url
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.7%
exploitation probability
0.7%top 49% of all CVEs
observed exploitation
nono source reports it
url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Go standard library · net/urlReferences
https://go.dev/cl/752180https://go.dev/issue/77578https://groups.google.com/g/golang-announce/c/EdhZqrQ98hkhttps://pkg.go.dev/vuln/GO-2026-4601https://access.redhat.com/security/cve/CVE-2026-25679https://bugzilla.redhat.com/show_bug.cgi?id=2445356https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25679.jsonhttps://access.redhat.com/errata/RHSA-2026:13508https://access.redhat.com/errata/RHSA-2026:41019https://access.redhat.com/errata/RHSA-2026:8855https://access.redhat.com/errata/RHSA-2026:13512https://access.redhat.com/errata/RHSA-2026:26527