Detections
Analytics

Echo: litellm: security update to 1.84.0

medium Tenable Cloud Security Plugin ID 462802

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of
 the file litellm/proxy/_experimental/mcp_server/auth/user_api_key_auth_mcp.py of the component MCP Proxy.
 Executing a manipulation can lead to improper authentication. The attack may be launched remotely. The
 exploit has been made available to the public and could be used for attacks. The vendor was contacted
 early about this disclosure. (CVE-2026-12773)

Solution

Update the litellm library and its related packages to version 1.84.0 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-12773

Plugin Details

Severity: Medium

ID: 462802

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/3/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.03

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2026-12773

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 5.5

Threat Vector: CVSS:4.0/E:P

Vector: 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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/12/2026

Vulnerability Publication Date: 6/21/2026

Reference Information

CVE: CVE-2026-12773