CVE-2026-4965

HIGH

letta-ai letta Incomplete Fix CVE-2025-6101 ast_parsers.py resolve_type eval injection

Title source: cna
STIX 2.1

Description

A vulnerability was detected in letta-ai letta 0.16.4. This issue affects the function resolve_type of the file letta/functions/ast_parsers.py of the component Incomplete Fix CVE-2025-6101. Performing a manipulation results in improper neutralization of directives in dynamically evaluated code. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Scores

CVSS v3 7.3
EPSS 0.0002
EPSS Percentile 5.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-94 CWE-95
Status published
Products (1)
letta-ai/letta 0.16.4
Published Mar 27, 2026
Tracked Since Mar 29, 2026