CVE-2026-77811

Published Aug 21, 2026

Last updated 4 hours ago

CVSS medium 6.2

Overview

Description: Improper input validation in the dashboards-observability plugin in OpenSearch Dashboards allows a remote authenticated user with write permissions to OpenSearch Dashboards saved objects to execute arbitrary JavaScript in the context of other users' browser sessions by uploading a saved asset with arbitrary web content.
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
NVD status: Awaiting Analysis

Risk scores

CVSS 4.0

Type: Secondary
Base score: 6.2
Impact score: -
Exploitability score: -
Vector string: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity: MEDIUM

CVSS 3.1

Type: Secondary
Base score: 8.7
Impact score: 5.8
Exploitability score: 2.3
Vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Severity: HIGH

Weaknesses

ff89ba41-3aa1-4d27-914a-91399e9639e5: CWE-79

Hype score: Not currently trending

References

Sources include official advisories and independent security research.