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Zitadel is open-source identity infrastructure software. Versions prior to 2.64.1, 2.63.6, 2.62.8, 2.61.4, 2.60.4, 2.59.5, and 2.58.7 have a flaw in the URL validation mechanism of Zitadel actions allows bypassing restrictions intended to block requests to localhost (127.0.0.1). The isHostBlocked check, designed to prevent such requests, can be circumvented by creating a DNS record that resolves to 127.0.0.1. This enables actions to send requests to localhost despite the intended security measures. This vulnerability potentially allows unauthorized access to unsecured internal endpoints, which may contain sensitive information or functionalities. Versions 2.64.1, 2.63.6, 2.62.8, 2.61.4, 2.60.4, 2.59.5, and 2.58.7 contain a patch. No known workarounds are available.
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OR
*cpe:2.3:a:zitadel:zitadel:*:*:*:*:*:*:*:* versions up to (excluding) 2.58.7
*cpe:2.3:a:zitadel:zitadel:*:*:*:*:*:*:*:* versions from (including) 2.59.0 up to (excluding) 2.59.5
*cpe:2.3:a:zitadel:zitadel:*:*:*:*:*:*:*:* versions from (including) 2.60.0 up to (excluding) 2.60.4
*cpe:2.3:a:zitadel:zitadel:*:*:*:*:*:*:*:* versions from (including) 2.61.0 up to (excluding) 2.61.4
*cpe:2.3:a:zitadel:zitadel:*:*:*:*:*:*:*:* versions from (including) 2.62.0 up to (excluding) 2.62.8
*cpe:2.3:a:zitadel:zitadel:*:*:*:*:*:*:*:* versions from (including) 2.63.0 up to (excluding) 2.63.6
*cpe:2.3:a:zitadel:zitadel:*:*:*:*:*:*:*:* versions from (including) 2.64.0 up to (excluding) 2.64.1
New CVE Received from GitHub, Inc.10/25/2024 10:15:12 AM
Action
Type
Old Value
New Value
Added
Description
Zitadel is open-source identity infrastructure software. Versions prior to 2.64.1, 2.63.6, 2.62.8, 2.61.4, 2.60.4, 2.59.5, and 2.58.7 have a flaw in the URL validation mechanism of Zitadel actions allows bypassing restrictions intended to block requests to localhost (127.0.0.1). The isHostBlocked check, designed to prevent such requests, can be circumvented by creating a DNS record that resolves to 127.0.0.1. This enables actions to send requests to localhost despite the intended security measures. This vulnerability potentially allows unauthorized access to unsecured internal endpoints, which may contain sensitive information or functionalities. Versions 2.64.1, 2.63.6, 2.62.8, 2.61.4, 2.60.4, 2.59.5, and 2.58.7 contain a patch. No known workarounds are available.
Added
CVSS V3.1
GitHub, Inc. AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Added
CWE
GitHub, Inc. CWE-20
Added
Reference
GitHub, Inc. https://github.com/zitadel/zitadel/releases/tag/v2.58.7 [No types assigned]
Added
Reference
GitHub, Inc. https://github.com/zitadel/zitadel/releases/tag/v2.59.5 [No types assigned]
Added
Reference
GitHub, Inc. https://github.com/zitadel/zitadel/releases/tag/v2.60.4 [No types assigned]
Added
Reference
GitHub, Inc. https://github.com/zitadel/zitadel/releases/tag/v2.61.4 [No types assigned]
Added
Reference
GitHub, Inc. https://github.com/zitadel/zitadel/releases/tag/v2.62.8 [No types assigned]
Added
Reference
GitHub, Inc. https://github.com/zitadel/zitadel/releases/tag/v2.63.6 [No types assigned]
Added
Reference
GitHub, Inc. https://github.com/zitadel/zitadel/releases/tag/v2.64.1 [No types assigned]
Added
Reference
GitHub, Inc. https://github.com/zitadel/zitadel/security/advisories/GHSA-6cf5-w9h3-4rqv [No types assigned]
Quick Info
CVE Dictionary Entry: CVE-2024-49753 NVD
Published Date: 10/25/2024 NVD
Last Modified: 08/26/2025
Source: GitHub, Inc.