# Critical Langflow flaw CVE-2026-0768 exploited for credentials

> A critical flaw in Langflow, a popular open-source tool for visually building AI agents and workflows, is under active attack. Tracked as CVE-2026-0768, the remote-code-execution bug affects versions 1.4.2 and earlier and lets an unauthenticated attacker run code on the server hosting Langflow. The payoff for attackers is what makes this nasty. Once inside, they are harvesting the exact secrets these AI apps keep close, scraping OPENAI_API keys and AWS credentials straight from the environment. Researchers have logged hundreds of exploitation attempts, with a wave of roughly 360 attacks traced to infrastructure in Russia, suggesting automated, opportunistic scanning rather than targeted hits. The broader lesson lands beyond Langflow. The rush to wire large language models into real systems has created a fast-growing surface of AI orchestration tools, many young and lightly hardened, that sit on top of extremely valuable API keys. When one of them has a hole, the loot is not just data but the billing-attached credentials that let attackers run up someone else's model and cloud spend.

_Section: [Daily AI Updates](https://www.wortins.com/daily-ai) · Source: BleepingComputer · Published Saturday, September 5, 2026_

## Wortins' read

A critical flaw in Langflow, a popular open-source tool for visually building AI agents and workflows, is under active attack. Tracked as CVE-2026-0768, the remote-code-execution bug affects versions 1.4.2 and earlier and lets an unauthenticated attacker run code on the server hosting Langflow. The payoff for attackers is what makes this nasty. Once inside, they are harvesting the exact secrets these AI apps keep close, scraping OPENAI_API keys and AWS credentials straight from the environment. Researchers have logged hundreds of exploitation attempts, with a wave of roughly 360 attacks traced to infrastructure in Russia, suggesting automated, opportunistic scanning rather than targeted hits. The broader lesson lands beyond Langflow. The rush to wire large language models into real systems has created a fast-growing surface of AI orchestration tools, many young and lightly hardened, that sit on top of extremely valuable API keys. When one of them has a hole, the loot is not just data but the billing-attached credentials that let attackers run up someone else's model and cloud spend.

## Source

[Read the full story at BleepingComputer](https://www.bleepingcomputer.com/news/security/critical-langflow-flaw-exploited-to-steal-openai-and-aws-keys/)

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