{"id":"CVE-2026-77811","summary":"Stored Cross-Site Scripting via Integration Template Asset in OpenSearch Dashboards","details":"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.","aliases":["GHSA-rmqx-r3wm-3px5"],"modified":"2026-08-29T03:30:52.632231008Z","published":"2026-08-21T20:09:19.151Z","database_specific":{"cna_assigner":"AMZN","cwe_ids":["CWE-79"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77811.json"},"references":[{"type":"ADVISORY","url":"https://aws.amazon.com/security/security-bulletins/2026-088-aws/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77811.json"},{"type":"ADVISORY","url":"https://github.com/opensearch-project/dashboards-observability/security/advisories/GHSA-rmqx-r3wm-3px5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77811"},{"type":"FIX","url":"https://opensearch.org/artifacts/by-version/#release-2-19-6"},{"type":"FIX","url":"https://opensearch.org/artifacts/by-version/#release-3-4-0"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/opensearch-project/dashboards-observability","events":[{"introduced":"0"},{"fixed":"38ffdc9bd80254a08ac67abf75141385867baf3e"},{"fixed":"95e41671b51af2f068a16d280075d7f1f0b8e0ff"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"3.4"},{"fixed":"2.19.6"}],"source":"AFFECTED_FIELD"}}],"versions":["2.19.5.0","2.19.4.0","3.2.0.0","2.19.3.0","2.19.2.0","3.0.0.0-beta1","2.19.1.0","3.0.0.0-alpha1","2.19.0.0","2.13.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-77811.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}