CVE-2026-4965

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-94 CWE-95

Affected software

Vendor	Product	Versions
letta-ai	letta	0.16.4

References

https://gist.github.com/YLChen-007/fc09bc447a73bba526c1642d9ce73ca5Exploit, Third Party Advisory
https://vuldb.com/?ctiid.353842Permissions Required, VDB Entry
https://vuldb.com/?id.353842Third Party Advisory, VDB Entry
https://vuldb.com/?submit.777654Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Mar 27, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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