linuxdeepin dde-control-center/deepin-deepinid-plugin prior 5.9.9/6.1.80 Deepinid Cloud Service certificate validation

Summaryinfo

A vulnerability, which was classified as critical, has been found in linuxdeepin dde-control-center and deepin-deepinid-plugin. This impacts an unknown function of the component Deepinid Cloud Service. The manipulation leads to certificate validation. This vulnerability is documented as CVE-2026-35207. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in linuxdeepin dde-control-center and deepin-deepinid-plugin. It has been rated as problematic. This issue affects an unknown functionality of the component Deepinid Cloud Service. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is integrity. The summary by CVE is:

dde-control-center is the control panel of DDE, the Deepin Desktop Environment. plugin-deepinid is a plugin in dde-control-center, which provides the deepinid cloud service. Prior to 6.1.80, plugin-deepinid is configured to skip TLS certificate verification when fetching the user's avatar from openapi.deepin.com or other providers. An MITM attacker could intercept the traffic, replace the avatar with a malicious or misleading image, and potentially identify the user by the avatar. This vulnerability is fixed in dde-control-center 6.1.80 and 5.9.9.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-35207 since 04/01/2026. The exploitation is known to be difficult. 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. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

Upgrading to version 5.9.9 or 6.1.80 eliminates this vulnerability. Applying the patch 6fc206120be28d9eef7d72258662bcabb834367f 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.

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Productinfo

Vendor

• linuxdeepin

Name

• dde-control-center
• deepin-deepinid-plugin

License

• open-source

Website

• Product: https://github.com/linuxdeepin/dde-control-center/

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