---
cve: "CVE-2026-4965"
severity: "MEDIUM"
cvss: 6.9
epss: "0.6%"
vendor: "letta-ai"
kev: false
exploited: false
published: "2026-03-27 18:16:06"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-23T13:46:36+02:00"
---

# CVE-2026-4965

> 6.9 MEDIUM · 🧪 PoC

## Beschreibung

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-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://vuldb.com/?id.353842>
- <https://vuldb.com/?ctiid.353842>
- <https://vuldb.com/?submit.777654>
- <https://gist.github.com/YLChen-007/fc09bc447a73bba526c1642d9ce73ca5>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-4965) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_
