What is RHSA-2026:2920?

RHSA-2026:2920 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: grafana security update

Which CVE IDs does RHSA-2026:2920 cover?

RHSA-2026:2920 covers the following CVE IDs: CVE-2025-61726, CVE-2025-61728, CVE-2025-61729, CVE-2025-68121, CVE-2026-21721. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:2920?

RHSA-2026:2920 has a CVSS v3 base score of 8.1, published by Red Hat Product Security.

RHSA-2026:2920HighCVSS 8.1

Red Hat Security Advisory: grafana security update

Vendor

Red Hat Product Security

Published

February 18, 2026

Last Modified

June 2, 2026

🔗 CVE IDs covered (5)

CVE-2025-61726 →CVE-2025-61728 →CVE-2025-61729 →CVE-2025-68121 →CVE-2026-21721 →

📋 Description

CVE-2025-61726 — golang: net/url: Memory exhaustion in query parameter parsing in net/url CVE-2025-61728 — golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip CVE-2025-61729 — crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate CVE-2025-68121 — crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption CVE-2026-21721 — grafana/grafana/pkg/services/dashboards: Grafana Dashboard Permissions Scope Bypass Enables Cross‑Dashboard Privilege Escalation

🔗 References (8)

selfhttps://access.redhat.com/errata/RHSA-2026:2920
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2418462
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2433242
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2434431
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2434432
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2437111
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_2920.json