CVE-2026-4965 MEDIUM

CVE-2026-4965: letta-ai letta Incomplete Fix CVE-2025-6101 ast_parsers.py resolve_type eval injection

Vendor Letta-Ai
Product letta
Weakness CWE-95 · Eval injection
Published March 27, 2026
Last update March 27, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 27, 2026 CVE published
March 27, 2026 Record updated

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04Related CVE

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