{"id":"EM-20261110-7VK7","url":"https://cyber.eventmonitor.net/incident/EM-20261110-7VK7/altair-vulnerability-cve-2026-110802/","type":"cve","title":"Altair Vulnerability (CVE-2026-110802)","subtitle":"CVE-2026-110802","subject":"CVE-2026-110802","status":"Developing","severity":"medium","affected":[],"headline":null,"born":"2026-11-10T15:57:27.000Z","firstSignal":"2026-11-05T20:41:52.000Z","lastSignal":"2026-11-10T15:57:27.000Z","updated":"2026-11-10T16:07:51.148Z","revision":1,"life":[{"status":"Born","at":"2026-11-10T15:57:27.000Z","why":"second independent source: C26 GitHub Advisory Database"},{"status":"Developing","at":"2026-11-10T15:57:27.000Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-05T20:41:52.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-10T15:57:27.000Z","what":"Born: second source, C26 GitHub Advisory Database. Page EM-20261110-7VK7 created."}],"stages":[{"name":"Disclosed","at":"2026-11-05T21:18:35.267Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-05T21:18:35.267Z","detail":"CVSS 6.1 · EPSS 0.2%"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-05T20:41:52.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-05T20:41:52.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":2,"title":"Red Hat: CVE-2026-110802 (moderate)","text":"altair: Altair: Cross-site scripting via crafted iframe sandbox URL","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-110802.json"},{"at":"2026-11-10T15:57:27.000Z","source":"C26","sourceName":"GitHub Advisory Database","role":"Database","severity":2,"title":"GHSA-752m-7p75-49gf / CVE-2026-110802: Altair: DOM-based XSS via attacker-controlled script URLs in the iframe sandbox","text":"npm:altair-static, npm:altair-express-middleware, npm:altair-koa-middleware, npm:altair-fastify-plugin","url":"https://github.com/advisories/GHSA-752m-7p75-49gf"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-05T21:18:35.267","score":6.1,"severity":"MEDIUM","desc":"Altair is a GraphQL client for all platforms. From 7.2.4 until 8.5.8, packages/altair-iframe-sandbox/src/main.ts reads plugin_sandbox_opts from the iframe-sandbox query string and passes attacker-controlled scriptUrls to injectScript() in packages/altair-core/src/utils/inject.ts, which creates…","product":"","seen":1794295901071},"kev":null,"epss":{"epss":0.00221,"pct":0.1275,"at":1794326871148},"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}