parisneo lollms up to 2.1.x JSON Web Token access control

Summaryinfo

A vulnerability was found in parisneo lollms up to 2.1.x. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component JSON Web Token Handler. Such manipulation leads to access control. This vulnerability is listed as CVE-2026-1114. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in parisneo lollms up to 2.1.x. Affected by this issue is some unknown processing of the component JSON Web Token Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In parisneo/lollms version 2.1.0, the application's session management is vulnerable to improper access control due to the use of a weak secret key for signing JSON Web Tokens (JWT). This vulnerability allows an attacker to perform an offline brute-force attack to recover the secret key. Once the secret key is obtained, the attacker can forge administrative tokens by modifying the JWT payload and resigning it with the cracked secret. This enables unauthorized users to escalate privileges, impersonate the administrator, and gain access to restricted endpoints. The issue is resolved in version 2.2.0.

The advisory is available at huntr.com. This vulnerability is handled as CVE-2026-1114 since 01/17/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 2.2.0 eliminates this vulnerability. Applying the patch a3b2b82b84d537a9da63e63a370a6a8ad55fed34 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

• parisneo

Name

• lollms

Version

• 2.0
• 2.1

License

• open-source

Website

• Product: https://github.com/parisneo/lollms/

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CPE 2.2info

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