CVE-2026-45243
Published:May 18, 2026
Updated:June 11, 2026
Summarize prior to 0.15.1 contains a missing authorization vulnerability in the content script window.postMessage bridge that allows malicious pages to perform unauthorized operations on automation artifacts. Attackers can simulate runtime messages with spoofed sender identifiers to list, read, create, overwrite, or delete automation artifacts scoped to the affected tab without proper authorization checks.
Affected Packages
https://github.com/steipete/summarize.git (GITHUB):
Affected version(s) >=v0.1.0 <v0.15.1Fix Suggestion:
Update to version v0.15.1@steipete/summarize (NPM):
Affected version(s) >=0.1.0 <0.15.1Fix Suggestion:
Update to version 0.15.1@steipete/summarize (NPM):
Affected version(s) >=0.1.0 <0.15.0Fix Suggestion:
Update to version 0.15.0Related Resources (7)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Missing Authorization
EPSS
Base Score:
0.03