RLSA-2026:2920

Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB.

Security Fix(es):

• crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate (CVE-2025-61729)

• grafana/grafana/pkg/services/dashboards: Grafana Dashboard Permissions Scope Bypass Enables Cross?Dashboard Privilege Escalation (CVE-2026-21721)

• golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip (CVE-2025-61728)

• golang: net/url: Memory exhaustion in query parameter parsing in net/url (CVE-2025-61726)

• crypto/tls: Unexpected session resumption in crypto/tls (CVE-2025-68121)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.