CVE-2026-4964 — letta-ai letta File URL message_helper.py _convert_message_create_to_message server-side request forgery
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…
Published: 2026-03-27 · CVSS: 5.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7