{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/cpes/cpe2.3agrafanagrafana/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":["cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*"],"_cs_cves":[{"cvss":7.1,"id":"CVE-2026-102589"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Grafana"],"_cs_severities":["high"],"_cs_tags":[],"_cs_type":"advisory","_cs_vendors":["Grafana"],"content_html":"\u003cp\u003eGrafana instances with the renderAuthJWT feature toggle enabled (the default from Grafana 13.0.0) suffer from an origin validation error when independent instances share the same [rendering] renderer_token. In this configuration, an image renderer key issued by one instance is accepted by others, potentially allowing a user on one instance to act as a user with the same ID on another.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eA user on one instance could potentially act as a user with the same ID on a different instance due to the cross-acceptance of image renderer keys.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cp\u003eEnsure that independent Grafana instances do not share the same [rendering] renderer_token configuration value.\u003c/p\u003e\n","date_modified":"2026-11-11T16:15:53Z","date_published":"2026-11-11T16:15:53Z","id":"https://feed.craftedsignal.io/briefs/2026-11-grafana-auth-bypass-cve-2026-102589/","summary":"Independent Grafana instances sharing the same renderer_token are susceptible to cross-instance user impersonation due to an origin validation error in the image renderer.","title":"Grafana: Origin validation error in image renderer (CVE-2026-102589)","url":"https://feed.craftedsignal.io/briefs/2026-11-grafana-auth-bypass-cve-2026-102589/"}],"language":"en","title":"CraftedSignal Threat Feed - Cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*","version":"https://jsonfeed.org/version/1.1"}