Vulnerability Details CVE-2026-45245
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 1.4%
CVSS Severity
CVSS v3 Score 7.4
References
- https://github.com/steipete/summarize/commit/ecbb2c414255aa480a15d0d8b205224c14cfdbcb
- https://github.com/steipete/summarize/pull/218
- https://github.com/steipete/summarize/releases/tag/v0.15.2
- https://www.vulncheck.com/advisories/summarize-unauthorized-daemon-request-via-untrusted-events
- https://github.com/steipete/summarize/pull/218