Is there a public exploit for CVE-2026-7873?

Yes. A Metasploit module exists for CVE-2026-7873, so a working exploit is available in a standard testing framework.

Is there a proof of concept for CVE-2026-7873?

Yes — 1 proof-of-concept entry is linked on this page, from public repositories and community submissions. They are listed for authorised testing only.

How severe is CVE-2026-7873?

CVE-2026-7873 scores CVSS 9.9 (v3.1), rated critical. EPSS puts the chance of exploitation in the next 30 days at 1.55%.

What does CVE-2026-7873 affect?

CVE-2026-7873 affects IBM langflow. It is part of the AI and agent stack (Langflow).

9.9 Critical

IBM Langflow OSS 1.0.0 through 1.10.0 allows authenticated attackers to execute arbitrary OS commands and read sensitive files including…

CVE-2026-7873

IBM Langflow OSS 1.0.0 through 1.10.0 allows authenticated attackers to execute arbitrary OS commands and read sensitive files including credentials, enabling complete system compromise and lateral movement.

A ready-made exploit module exists

Metasploit · Public PoC

Metasploitexploit/multi/http/langflow_auth_rce_cve_2026_7873
Public PoCrmhowe425/POC-CVE-2026-78733 stars

Signals come from Exploit-DB, Metasploit, Nuclei and published proof-of-concept repositories. Their absence means nothing was found, not that nothing exists.

Part of the AI stack

This affects Langflow, in Agent frameworks.

Assessment

CVSS: 9.9 (v3.1)
Severity: Critical
EPSS: 1.55% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Metasploit, Public PoC
Published: 30 June 2026
Last updated: 25 October 2026
Affected: IBM · Langflow OSS · langflow
Weakness: CWE-94
Assigner: psirt@us.ibm.com

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

At the source

References

Community proofs of concept

No community proof of concept yet. If you have one for a published vulnerability and the right to share it, add it below — it will appear here once reviewed.

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Query this programmatically

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curl https://cve.zerocrew.in/api/cve/CVE-2026-7873