VULNERABILITY INTELLIGENCE
CVE-2026-77811
CVSS score8.7 HIGH
EPSS probability0.52%
CISA KEVNot currently listed
Published2026-08-21
Last modified2026-10-14
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
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.
Weakness classification
- ff89ba41-3aa1-4d27-914a-91399e9639e5: CWE-79