Langflow 1.3.0: When “Bug Fix” is Code for “Oops, Major Vulnerability!”
Langflow’s latest update, version 1.3.0, boasts numerous bug fixes but skips over its secret weapon against a major vulnerability. It turns out that the real magic is in the code validation, which quietly locked down a major security flaw—unbeknownst to most, until Horizon3 revealed the plot twist!

Hot Take:
Ah, Langflow, the gift that keeps on giving! Who knew that a bug fix could double as a treasure map to a hacker’s pot of gold? It’s like finding out your antivirus software is actually a dating app for malware. Get ready to buckle up, because this low-code rollercoaster ride just got a whole lot more thrilling!
Key Points:
- Langflow’s version 1.3.0 released with “bug fixes,” but forgot to mention a major vulnerability patch.
- The vulnerability was highlighted by Horizon3, with a proof of concept shared on April 9th.
- Requests targeting the vulnerability have spiked since April 10th.
- Attackers are using TOR exit nodes to exploit the vulnerability.
- The vulnerability allows access to sensitive system files like “/etc/passwd”.
Already a member? Log in here