Jo-Jo98 ciguard up to 0.8.1 osv.py resp.read allocation of resources

Summaryinfo

A vulnerability was found in Jo-Jo98 ciguard up to 0.8.1. It has been rated as problematic. The affected element is the function resp.read of the file src/ciguard/analyzer/sca/osv.py. This manipulation causes allocation of resources. This vulnerability is handled as CVE-2026-44219. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Jo-Jo98 ciguard up to 0.8.1. It has been declared as problematic. Affected by this vulnerability is the function resp.read of the file src/ciguard/analyzer/sca/osv.py. 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:

ciguard is a static security auditor for CI/CD pipelines. From 0.6.0 to 0.8.1, both SCA HTTP clients (src/ciguard/analyzer/sca/osv.py and src/ciguard/analyzer/sca/endoflife.py) call payload = json.loads(resp.read().decode('utf-8')) without a maximum-bytes cap. A hostile or compromised endoflife.date / OSV.dev (or a successful TLS MITM) could return a multi-GB response, exhausting the ciguard process's memory. This vulnerability is fixed in 0.8.2.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-44219 since 05/05/2026. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 0.8.2 eliminates this vulnerability.

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Productinfo

Vendor

• Jo-Jo98

Name

• ciguard

Version

• 0.8.0
• 0.8.1

Website

• Product: https://github.com/Jo-Jo98/ciguard/

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