CVE-2026-26013

LOW
2026-02-10 [email protected] GHSA-2g6r-c272-w58r
3.7
CVSS 3.1

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

3
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 10, 2026 - 22:17 nvd
LOW 3.7

Tags

SSRF Langchain AI / ML

Description

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.

Analysis

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. …

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Remediation

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

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Priority Score

19
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +18
POC: 0

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CVE-2026-26013 vulnerability details – vuln.today
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