Medium severity6.3NVD Advisory· Published Mar 27, 2026· Updated Apr 29, 2026
CVE-2026-4964
CVE-2026-4964
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.
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Affected products
2Patches
Vulnerability mechanics
References
4- gist.github.com/YLChen-007/fde4d5ed6ac4aa876f73f8954c6214danvdExploitThird Party Advisory
- vuldb.comnvdExploitThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdPermissions RequiredVDB Entry
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