VulnerabilityAnalyzed
CVE-2026-4965
A vulnerability was detected in letta-ai letta 0.16.4.
MEDIUM 5.5EPSS 0.60%
Does this matter?
Lower severity and a low EPSS score (0.60%). Track it; it rarely justifies an emergency change on its own.
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 4.0
- 5.5 MEDIUMCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.60% probability · 47th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-94, CWE-95
- Affected
- letta/letta
- Source
- cna@vuldb.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.