SSRF in Steipete Summarize
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (37.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Steipete Summarize — versions 0, ecbb2c414255aa480a15d0d8b205224c14cfdbcb
Weakness classification (CWE)
References
- github.com/steipete/summarize/releases/tag/v0.15.2 (release-notes, Release Notes)
- github.com/steipete/summarize/pull/218 (issue-tracking, Exploit, Patch, Issue Tracking)
- github.com/steipete/summarize/commit/ecbb2c414255aa480a15d0d8b205224c14cfdbcb (Patch, patch)
- www.vulncheck.com/advisories/summarize-unauthorized-daemon-request-via-untruste… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-45245?
- CVE-2026-45245 is a high-severity vulnerability in Steipete Summarize, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.4/10. Published 2026-05-18.
- How severe is CVE-2026-45245?
- High severity. CVSS v3 base score is 7.4 out of 10.