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CVE-2026-45245

Steipete Summarize server-side request forgery (SSRF)

7.4 HIGHPublic exploitEPSS 0.45%
  1. Published18 May 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

Affected products

Steipete Summarize< 0.15.1

Remediation

Fixed in
Steipete Summarize≥ 0.15.1

References

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Frequently asked

Is CVE-2026-45245 being actively exploited?

CVE-2026-45245 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.45%.

How severe is CVE-2026-45245?

CVE-2026-45245 has a CVSS 3.1 base score of 7.4, rated high. EPSS estimates a 0.45% probability of exploitation.

Which products are affected by CVE-2026-45245?

Affected products include Steipete Summarize.

How do I fix CVE-2026-45245?

Upgrade affected software to a fixed version, for example Steipete Summarize 0.15.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-45245 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.