Is CVE-2026-41488 actively exploited?

No active exploitation of CVE-2026-41488 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-41488 be exploited remotely?

Yes. CVE-2026-41488 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-41488?

CVE-2026-41488 has a CVSS score of 3.1 (LOW).

HOME VULNERABILITIESCVE-2026-41488

LOW

CVE-2026-41488

CWE-918Published: April 24, 2026· Updated: Apr 28, 2026

3.1

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:8.0th

Official Description

LangChain is a framework for building agents and LLM-powered applications. Prior to 1.1.14, langchain-openai's _url_to_size() helper (used by get_num_tokens_from_messages for image token counting) validated URLs for SSRF protection and then fetched them in a separate network operation with independent DNS resolution. This left a TOCTOU / DNS rebinding window: an attacker-controlled hostname could resolve to a public IP during validation and then to a private/localhost IP during the actual fetch.

NVD Source

Technical Analysis

CVE-2026-41488 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.