PT-2026-8220 · Grafana+1 · Grafana+1

CVE-2026-21727 · Published 2026-01-29 · Updated 2026-05-15

Positive Technologies (AI Summary)

CVSS v2.0

3.6

Low

Base vector

AV:N/AC:H/Au:S/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions Grafana (affected versions not specified)

Description The Grafana monitoring and observation platform contains a flaw due to insufficient access control within a correlation function. Remote attackers may be able to gain unauthorized access to protected information by exploiting this issue.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Improper Access Control

Incorrect Permission

Weakness Enumeration

CWE-284

CWE-732

Related Identifiers

BDU:2026-02013

BIT-GRAFANA-2026-21727

CVE-2026-21727

Affected Products

Grafana

Red Os

References · 13

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21727.json · Exploit
• http://repo.red-soft.ru/redos/8.0/x86_64/updates · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-21727 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-21727 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-21727 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-21727 · Vendor Advisory
• https://grafana.com/security/security-advisories/cve-2026-21727 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-02013 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-21727 · Security Note
• https://osv.dev/vulnerability/BIT-grafana-2026-21727 · Vendor Advisory
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti-red-os-8-0/uyazvimost-grafana-cve-2026-21727-8.0 · Note
• https://twitter.com/CVEnew/status/2044737929281524099 · Twitter Post
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/uyazvimost-grafana-cve-2026-21727-7.3 · Note