Vulnerability Details CVE-2026-4964
A security vulnerability has been detected in letta-ai letta 0.16.4. This vulnerability affects the function _convert_message_create_to_message of the file letta/helpers/message_helper.py of the component File URL Handler. Such manipulation of the argument ImageContent leads to server-side request forgery. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 1.7%
CVSS Severity
CVSS v3 Score 6.3
CVSS v2 Score 6.5
References