{"id":"CVE-2026-45245","aliases":["EUVD-2026-30795","GHSA-2r69-qgv3-hr65"],"status":"published","title":"Summarize \u003c 0.15.1 Unauthorized Daemon Request via Untrusted Events","description":"Summarize prior to 0.15.1 contains a vulnerability in the hover summary feature that allows malicious pages to dispatch synthetic mouseover events over attacker-controlled links, causing the extension to make authenticated daemon requests using stored tokens without verifying event trustworthiness. Attackers can place local or private-network URLs behind hoverable links to route authenticated requests through the daemon, potentially accessing sensitive internal endpoints when users interact with attacker-controlled content.","severity":{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0033,"percentile":0.26317,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-918","CWE-940"],"published":"2026-05-18T19:00:54Z","modified":"2026-11-09T02:47:20Z","fixes":[{"ecosystem":"npm","package":"@steipete/summarize","fixed_in":["0.15.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@steipete/summarize","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.15.1"}]}]},{"source":"osv","ecosystem":"npm","package":"@steipete/summarize","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.15.1"}]}]}],"products":[{"vendor":"steipete","product":"summarize"}],"references":[{"url":"https://github.com/steipete/summarize/releases/tag/v0.15.2","tags":["release-notes","Release Notes","advisory","web"]},{"url":"https://github.com/steipete/summarize/pull/218","tags":["issue-tracking","patch","exploit","Exploit","Issue Tracking","Patch","fix","web"]},{"url":"https://github.com/steipete/summarize/commit/ecbb2c414255aa480a15d0d8b205224c14cfdbcb","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/summarize-unauthorized-daemon-request-via-untrusted-events","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45245","tags":["advisory"]},{"url":"https://github.com/steipete/summarize/releases/tag/v0.15.1","tags":["web"]},{"url":"https://github.com/advisories/GHSA-2r69-qgv3-hr65"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45245.json","tags":["advisory"]},{"url":"https://github.com/steipete/summarize","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-45245","title":"Summarize \u003c 0.15.1 Unauthorized Daemon Request via Untrusted Events","description":"Summarize prior to 0.15.1 contains a vulnerability in the hover summary feature that allows malicious pages to dispatch synthetic mouseover events over attacker-controlled links, causing the extension to make authenticated daemon requests using stored tokens without verifying event trustworthiness. Attackers can place local or private-network URLs behind hoverable links to route authenticated requests through the daemon, potentially accessing sensitive internal endpoints when users interact with attacker-controlled content.","status":"published","published":"2026-05-18T19:00:54.115Z","modified":"2026-11-08T14:03:49.253Z","cvss":[{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-918","CWE-940"],"updated_at":"2026-11-08T15:43:33.322657Z"}],"euvd":[{"id":"EUVD-2026-30795","description":"Summarize prior to 0.15.1 contains a vulnerability in the hover summary feature that allows malicious pages to dispatch synthetic mouseover events over attacker-controlled links, causing the extension to make authenticated daemon requests using stored tokens without verifying event trustworthiness. Attackers can place local or private-network URLs behind hoverable links to route authenticated requests through the daemon, potentially accessing sensitive internal endpoints when users interact with attacker-controlled content.","status":"published","published":"2026-05-18T19:00:54Z","modified":"2026-11-08T14:03:49Z","cvss":[{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-08T15:13:08.77824Z"}],"ghsa":[{"id":"GHSA-2r69-qgv3-hr65","title":"Summarize's hover summary feature allows malicious pages to dispatch synthetic mouseover events over attacker-controlled links","description":"Summarize prior to 0.15.0 contains a vulnerability in the hover summary feature that allows malicious pages to dispatch synthetic mouseover events over attacker-controlled links, causing the extension to make authenticated daemon requests using stored tokens without verifying event trustworthiness. Attackers can place local or private-network URLs behind hoverable links to route authenticated requests through the daemon, potentially accessing sensitive internal endpoints when users interact with attacker-controlled content.","status":"published","published":"2026-05-18T21:31:51Z","modified":"2026-05-29T20:00:01Z","cvss":[{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:40:15.638885Z"}],"nvd":[{"id":"CVE-2026-45245","description":"Summarize prior to 0.15.1 contains a vulnerability in the hover summary feature that allows malicious pages to dispatch synthetic mouseover events over attacker-controlled links, causing the extension to make authenticated daemon requests using stored tokens without verifying event trustworthiness. Attackers can place local or private-network URLs behind hoverable links to route authenticated requests through the daemon, potentially accessing sensitive internal endpoints when users interact with attacker-controlled content.","status":"published","published":"2026-05-18T20:16:38.593Z","modified":"2026-10-14T20:10:00.19Z","cvss":[{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-918","CWE-940"],"updated_at":"2026-11-02T14:12:19.39893Z"}],"osv":[{"id":"CVE-2026-45245","title":"Summarize \u003c 0.15.1 Unauthorized Daemon Request via Untrusted Events","description":"Summarize prior to 0.15.1 contains a vulnerability in the hover summary feature that allows malicious pages to dispatch synthetic mouseover events over attacker-controlled links, causing the extension to make authenticated daemon requests using stored tokens without verifying event trustworthiness. Attackers can place local or private-network URLs behind hoverable links to route authenticated requests through the daemon, potentially accessing sensitive internal endpoints when users interact with attacker-controlled content.","status":"published","published":"2026-05-18T19:00:54.115Z","modified":"2026-11-09T02:47:20.855048254Z","cvss":[{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium"}],"cwes":["CWE-918","CWE-940"],"updated_at":"2026-11-09T03:16:17.543303Z"},{"id":"GHSA-2r69-qgv3-hr65","title":"Summarize's hover summary feature allows malicious pages to dispatch synthetic mouseover events over attacker-controlled links","description":"Summarize prior to 0.15.0 contains a vulnerability in the hover summary feature that allows malicious pages to dispatch synthetic mouseover events over attacker-controlled links, causing the extension to make authenticated daemon requests using stored tokens without verifying event trustworthiness. Attackers can place local or private-network URLs behind hoverable links to route authenticated requests through the daemon, potentially accessing sensitive internal endpoints when users interact with attacker-controlled content.","status":"published","published":"2026-05-18T21:31:51Z","modified":"2026-09-10T03:51:04.147271565Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","level":"high"},{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:46:34.700741Z"}]}}