CVSS Score of 10 (low)


Published Jun 30, 2023
Updated: Jul 7, 2023
CWE ID 863
CWE ID 1188


CVE-2023-3485 is a vulnerability found in open-source Temporal Server before version 1.20 on all platforms. This vulnerability allows an attacker to create a task token with access to a namespace other than the one specified in the request. The creation of this task token must be done outside of the normal Temporal server flow and requires specific information from the workflow history and namespace UUID. Exploiting this vulnerability can allow the attacker to interfere with pending tasks in other namespaces, such as marking them as failed or completed. To mitigate this vulnerability, users are advised to upgrade to version 1.20 or newer of Temporal Server. This vulnerability poses a potential danger to organizations using affected versions of Temporal Server as it can lead to unauthorized access and manipulation of tasks in different namespaces.


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