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Vulnerabilities CVE-2026-45245

CVE-2026-45245

Medium
Open
TLP:CLEAR

Summarize < 0.15.1 Unauthorized Daemon Request via Untrusted Events

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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.

Details

CVSS Score
4.6
EPSS Score
0.33%

25.6th percentile

CVSS 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
Confidence
90%
Published
May 18, 2026
Last Modified
Jul 14, 2026
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