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01 Record

CVE-2026-88858

Server-side expression parser denial of service

MediumPUBLISHEDCNA: GRAFANA
CNA base score6.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

02 Description

Server-side expression parser denial of service

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Received. NVD last modified this record on 2026-10-28.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-28 16:50Z17 HR AGO
Last updated
2026-10-28 16:50Z17 HR AGO
Reserved
2026-09-10
Assigning CNA
GRAFANA
Record state
PUBLISHED
Severity
Medium (CVSS 6.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-20Improper Input ValidationClass
  • CWE-400Uncontrolled Resource ConsumptionClass
  • CWE-674Uncontrolled RecursionClass
Data version
5.2
Document digest
e1a7d9f53bd910384d4da8ac8c41dcf5196eb9d71fb4649aa1aa59310c398fb6

05 Affected products

VendorProductVersionsPlatforms
GrafanaGrafana OSS7.4.0 to 11.6.16, 12.0.0 to 12.2.10, 12.3.0 to 12.3.11, 12.4.0 to 12.4.13, 13.0.0 to 13.0.11, 13.1.0 to 13.1.8, 13.2.0 to 13.2.4—
GrafanaGrafana Enterprise7.4.0 to 11.6.16, 12.0.0 to 12.2.10, 12.3.0 to 12.3.11, 12.4.0 to 12.4.13, 13.0.0 to 13.0.11, 13.1.0 to 13.1.8, 13.2.0 to 13.2.4—

06 References