CVE-2026-45243
MEDIUM WAF: Low
CVSS 6.1
Published: 2026-05-18
CWE-862
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.
WAF Coverage Analysis
Missing Authorization
Low WAF Coverage
OWASP: A01:2021 Broken Access Control
Affected Software
| Vendor | Product | Version |
|---|---|---|
| steipete | summarize | up to 0.15.1 |
References
- github.com (Patch)
- github.com (Exploit, Issue Tracking, Patch)
- github.com (Release Notes)
- www.vulncheck.com (Third Party Advisory)