Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Letta | Letta | 0.16.4 |
Related Weaknesses (CWE)
References
- https://gist.github.com/YLChen-007/fc09bc447a73bba526c1642d9ce73ca5ExploitThird Party Advisory
- https://vuldb.com/?ctiid.353842Permissions RequiredVDB Entry
- https://vuldb.com/?id.353842Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.777654ExploitThird Party AdvisoryVDB Entry
FAQ
What is CVE-2026-4965?
CVE-2026-4965 is a vulnerability with a CVSS score of 7.3 (HIGH). 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...
How severe is CVE-2026-4965?
CVE-2026-4965 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4965?
Check the references section above for vendor advisories and patch information. Affected products include: Letta Letta.