PT-2026-40790 · Grafana · Grafana Oss

Published 2026-05-13 · Updated 2026-05-13 · CVE-2026-33376

NVD

CVSS v3.1

7.4

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

When using an IPv6 allow-list for the Auth Proxy feature, it defaults to /32 addresses. Addresses specifying a mask explicitly are not affected; to mitigate easily, add the desired mask (usually /128) to the addresses. Only auth proxy is affected; Okta, SAML, LDAP, etc are unaffected here.

Fix

Related Identifiers

CVE-2026-33376

Affected Products

Grafana Oss

References · 2

• https://grafana.com/security/security-advisories/cve-2026-33376 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-33376 · Security Note