nuxsmin sysPass up to 3.2.11 Install InstallController.php isInstalled improper authentication

Summaryinfo

A vulnerability classified as critical was found in nuxsmin sysPass up to 3.2.11. This affects the function isInstalled of the file InstallController.php of the component Install Handler. Executing a manipulation can lead to improper authentication. This vulnerability only affects products that are no longer supported by the maintainer. The identification of this vulnerability is CVE-2026-129110. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in nuxsmin sysPass up to 3.2.11. It has been declared as critical. This vulnerability affects the function isInstalled of the file InstallController.php of the component Install Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

sysPass 3.0.1 through 3.2.11 contains an authentication bypass vulnerability that allows unauthenticated attackers to reinstall an already-installed instance by POSTing to the install/install handler, which never checks isInstalled(). Attackers can overwrite config.xml, point the application at an attacker-controlled database, create an administrator account, and plant serialized PublicLink gadget chains triggered via account/viewLink to execute commands.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-129110 since 11/13/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/13/2026).

By approaching the search of inurl:InstallController.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• nuxsmin

Name

• sysPass

Version

• 3.2.0
• 3.2.1
• 3.2.2
• 3.2.3
• 3.2.4
• 3.2.5
• 3.2.6
• 3.2.7
• 3.2.8
• 3.2.9
• 3.2.10
• 3.2.11

Support

• end of life

Website

• Product: https://github.com/nuxsmin/sysPass/

CPE 2.3info

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Once again VulDB remains the best source for vulnerability data.

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