Dashboard / CVE-2026-88858

CVE-2026-88858

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 63/100
Published: 2026-10-28 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

Description

A user with the Viewer role in Grafana can crash the server by submitting a crafted server-side math expression (uncontrolled recursion). A user with permission to provision alert rules can make the outage persist across restarts.

Weakness Classification (3)

Affected Software (1)

VendorProductVersion
Grafana Grafana OSS 7.4.0

References & Advisories (1)

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.34%
Raw Score 0.003390
Percentile 27.3%
Date 2026-10-29

Intelligence Sources

mitre ref →
nvd ref →

External Links