CVE-2026-4964: fallo de gravedad media en letta-ai letta
letta-ai letta File URL message_helper.py _convert_message_create_to_message server-side request forgery
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
33Vexday Risk Score
Sin señal de explotación. Ella tiene prueba de concepto pública.
ssvc Attendcvss 5.3epss 0.3%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Productos afectados
letta-ai · lettaPoCs públicas encontradas — 1
cve_referencegist.github.com/YLChen-007/fde4d5ed6ac4aa876f73f8954c6214dano verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
CVEs relacionadas — letta-ai letta
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-4965MEDIUMletta-ai letta Incomplete Fix CVE-2025-6101 ast_parsers.py resolve_type eval injectionEPSS 0.6%CVE-2026-77936CRITICALLetta through 0.16.8 Insecure Default Configuration Unauthenticated API and PostgreSQL AccessEPSS 0.6%CVE-2026-77937HIGHLetta through 0.16.8 Cross-Tenant Impersonation via user_id HeaderEPSS 0.5%CVE-2026-77938HIGHLetta through 0.16.8 Credential Exposure via Tool Sandbox Environment InheritanceEPSS 0.4%CVE-2025-6101MEDIUMletta-ai letta interface.py function_message eval injectionEPSS 0.3%