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Summarize CVE-2026-45244

| EUVD-2026-30796 LOW
Missing Authorization (CWE-862)
2026-05-18 VulnCheck GHSA-67gq-6q8c-qqh6
2.1
CVSS 4.0

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/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
Privileges Required
None
User Interaction
A
Scope
X

Lifecycle Timeline

4
Severity Changed
May 18, 2026 - 20:22 NVD
MEDIUM LOW
CVSS changed
May 18, 2026 - 20:22 NVD
5.4 (MEDIUM) 2.1 (LOW)
Source Code Evidence Fetched
May 18, 2026 - 20:01 vuln.today
Analysis Generated
May 18, 2026 - 20:01 vuln.today

DescriptionNVD

Summarize prior to 0.15.1 contains a missing authorization vulnerability that allows attackers to execute browser automation actions without per-call user approval when the extension automation feature is enabled. Attackers can influence the agent through malicious page or summary content to invoke enabled extension automation tools such as navigation or debugger-backed actions, bypassing the final user approval step when a user interacts with attacker-controlled content.

AnalysisAI

Missing authorization in the Summarize browser extension (versions prior to 0.15.1/0.15.2, CPE: cpe:2.3:a:steipete:summarize) allows remote unauthenticated attackers to execute browser automation actions - including navigation and debugger-backed operations - without triggering per-call user approval. Exploitation requires the extension automation feature to be enabled and the user to interact with attacker-controlled content (UI:R per CVSS), making this a prompt-injection-driven authorization bypass rather than a standalone remote attack. …

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CVE-2026-45244 vulnerability details – vuln.today

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