Detections
Analytics

Echo: langchain-core: security update to 1.2.11

low Tenable Self-Hosted Container Security Plugin ID 463922

Description

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

 - LangChain is a framework for building agents and LLM-powered applications. Prior to 1.2.11, the
 ChatOpenAI.get_num_tokens_from_messages() method fetches arbitrary image_url values without validation
 when computing token counts for vision-enabled models. This allows attackers to trigger Server-Side
 Request Forgery (SSRF) attacks by providing malicious image URLs in user input. This vulnerability is
 fixed in 1.2.11. (CVE-2026-26013)

Solution

Update the langchain-core library and its related packages to version 1.2.11 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-26013

Plugin Details

Severity: Low

ID: 463922

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: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Low

Base Score: 2.6

Temporal Score: 1.9

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

CVSS Score Source: CVE-2026-26013

CVSS v3

Risk Factor: Low

Base Score: 3.7

Temporal Score: 3.2

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 7/1/2026

Vulnerability Publication Date: 2/10/2026

Reference Information

CVE: CVE-2026-26013