CVE-2026-77937: letta 0 through 0.16.8

Affected technology

letta · 0 through 0.16.8
letta-ai

Description’s affected range: through 0.16.8

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could get past authentication checks. Vendor/CNA’s CVSS 4.0 assessment (base score 8.6/10) rates confidentiality and integrity impact as high; availability impact as none.