PT-2026-79451 · Opensearch · Opensearch Dashboards

CVE-2026-77811

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Published

2026-08-21

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Updated

2026-08-21

CVSS v3.1

8.7

High

VectorAV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Name of the Vulnerable Software and Affected Versions OpenSearch Dashboards (affected versions not specified)
Description Improper input validation in the dashboards-observability plugin allows a remote authenticated user with write permissions to saved objects to execute arbitrary JavaScript in the context of other users' browser sessions. This is achieved by uploading a saved asset containing arbitrary web content, leading to a stored Cross-Site Scripting (XSS) condition.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

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Weakness Enumeration

Related Identifiers

CVE-2026-77811
GHSA-RMQX-R3WM-3PX5

Affected Products

Opensearch Dashboards