VULNERABILITY INTELLIGENCE

CVE-2026-4964

CVSS score6.3 MEDIUM

EPSS probability0.33%

CISA KEVNot currently listed

Published2026-03-27

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Description

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.

Weakness classification

cna@vuldb.com: CWE-918

Primary references

cna@vuldb.com — Exploit, Third Party Advisory
cna@vuldb.com — Permissions Required, VDB Entry
cna@vuldb.com — Third Party Advisory, VDB Entry
cna@vuldb.com — Exploit, Third Party Advisory, VDB Entry