CVE-2025-6101: medium-severity vulnerability in letta-ai letta
letta-ai letta interface.py function_message eval injection
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.1epss 0.3%
A vulnerability classified as critical has been found in letta-ai letta up to 0.4.1. Affected is the function function_message of the file letta/letta/interface.py. The manipulation of the argument function_name/function_args leads to improper neutralization of directives in dynamically evaluated code. The exploit has been disclosed to the public and may be used.
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
letta-ai · lettaRelated CVEs — letta-ai letta
In the same product, most dangerous first.
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-2026-4964MEDIUMletta-ai letta File URL message_helper.py _convert_message_create_to_message server-side request forgeryEPSS 0.3%