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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-45245

31
FAUCET Score

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.

First published: May 18, 2026Last modified: Jul 14, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 0.15.1CPE matchmatch criteria
cpe:2.3:a:steipete:summarize:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

4.6MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
ACTIVE
VS Confidentiality
LOW
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
HIGH
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.33%
Probability of exploitation in next 30 days
EPSS Percentile
25.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0033 is in the 30th percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: @steipete/summarizeFixed in: 0.15.1

Vendor Advisories (1)

npmGHSA-2r69-qgv3-hr65medium

Summarize's hover summary feature allows malicious pages to dispatch synthetic mouseover events over attacker-controlled links

May 18, 2026

References

github.com / steipete/summarize/commit/ecbb2c414255aa480a15d0d8b205224c14cfdbcb
Patch
github.com / steipete/summarize/pull/218
ExploitIssue TrackingPatch
github.com / steipete/summarize/releases/tag/v0.15.2
Release Notes
vulncheck.com / advisories/summarize-unauthorized-daemon-request-via-untrusted-events
Third Party Advisory