CVE•Published 2026-08-21•Modified 2026-08-27•1 article on news•6 live references•NVD data
CVE-2026-77811
Vulnerability data via NVD (ingested)
CVSS v3.1
8.7
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
EPSS percentile
30
Exploit Prediction Scoring System · top 70% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2026-08-21
Modified 2026-08-27
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-77811Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-77811Censys host search filtered to this CVE id.
grep.app
CVE-2026-77811Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-77811GitHub code search for direct mentions.
Google dork
"CVE-2026-77811" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-77811 on GitHub.