steipete summarize up to 0.16.x File Download allocation of resources

Summaryinfo

A vulnerability has been found in steipete summarize up to 0.16.x and classified as problematic. This issue affects some unknown processing of the component File Download Handler. This manipulation causes allocation of resources. The identification of this vulnerability is CVE-2026-53781. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in steipete summarize up to 0.16.x. It has been declared as problematic. Affected by this vulnerability is an unknown part of the component File Download Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability. The summary by CVE is:

Summarize before 0.17.0 contains a resource exhaustion vulnerability that allows remote attackers to cause disk exhaustion by serving media responses that bypass the enforced size limit through missing or misreported Content-Length headers, chunked transfer encoding, or failed HEAD requests. Attackers who control a podcast feed or media URL can stream an unbounded response to local storage via the temp-file download path, exhausting disk or system resources on the host running the CLI.

The weakness was shared by Chia Min Jun Lennon. The advisory is shared at github.com. This vulnerability is known as CVE-2026-53781 since 06/10/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 0.17.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 14de194c24c5e0fba4bdb4a6f7766eb6ea3ed750 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-36307). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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
• 0.16

License

• open-source

Website

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

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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