steipete summarize up to 0.15.0 authorization

Summaryinfo

A vulnerability, which was classified as critical, has been found in steipete summarize up to 0.15.0. This impacts an unknown function. The manipulation leads to authorization. This vulnerability is referenced as CVE-2026-45243. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in steipete summarize up to 0.15.0 and classified as critical. This issue affects an unknown functionality. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published by Chia Min Jun Lennon. The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-45243 since 05/11/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading to version 0.15.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 357544063af535bd574752622f9eb94be33ee5fd is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• steipete

Name

• summarize

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15.0

License

• open-source

Website

• Product: https://github.com/steipete/summarize/

CPE 2.3info

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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