Langflow RCE: When Your Code Takes a Holiday on Someone Else’s Server!
Langflow 1.3.0 has a serious case of stage fright! With CVE-2025-3248, a remote attacker can easily send crafted HTTP requests and force it to perform arbitrary code execution. It’s like giving your server a live mic—who knows what it’ll say! Stay updated to avoid unexpected performances.

Hot Take:
Langflow 1.3.0 might have been the perfect software package for those who love living on the edge of a cyber cliff, with a penchant for getting hacked faster than you can say “remote code execution.” It’s like leaving your car keys in the ignition but hoping no one takes it for a joyride. Buckle up, folks; it’s going to be a bumpy cyber ride!
Key Points:
- Langflow versions below 1.3.0 have a critical remote code execution vulnerability.
- Attackers can exploit it by sending specially crafted HTTP requests.
- The exploit is unauthenticated, meaning anyone with the know-how can execute it.
- Tested successfully on Windows Server 2019.
- Designated under CVE-2025-3248, it’s a serious call to patch up or face the music.
Already a member? Log in here