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CVE-2026-4964

MEDIUM

6.3

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.

CVE Details

CVSS v3.1 Score6.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/27/2026

Last Modified3/30/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-918

References

https://gist.github.com/YLChen-007/fde4d5ed6ac4aa876f73f8954c6214da(cna@vuldb.com)

https://vuldb.com/?ctiid.353841(cna@vuldb.com)

https://vuldb.com/?id.353841(cna@vuldb.com)

https://vuldb.com/?submit.777645(cna@vuldb.com)

IOC Correlations

No correlations recorded

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