CVE-2026-77938

Published: Ott 20, 2026 Last Modified: Ott 20, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,1
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM 6,5
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none

Description

AI Translation Available

Letta through 0.16.8 contains an information disclosure vulnerability that allows users running tools to read server secrets because LocalSandbox subprocesses inherit the full server environment. Attackers can run code via POST /v1/tools/run or custom tools to read LETTA_PG_URI, POSTGRES_PASSWORD, and provider API keys, then access cross-tenant database data.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0034
Percentile
0,3th
Updated

Single Data Point

Only one EPSS measurement is available for this CVE. Trend analysis requires multiple data points over time.

526

Cleartext Storage of Sensitive Information in an Environment Variable

Incomplete
Common Consequences
Security Scopes Affected:
Confidentiality
Potential Impacts:
Read Application Data
Applicable Platforms
All platforms may be affected
View CWE Details
https://github.com/letta-ai/letta/blob/1131535716e8a31c9a437f8695e25ac98f203a24…
https://www.lasso.security/vulnerability-database/cve-2026-77938
https://www.vulncheck.com/advisories/letta-through-0.16.8-credential-exposure-v…