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Fencer Intel
critical 9.9

CVE-2026-7873 json

Code Injection Vulnerability in Code Validation Endpoint

published 4mo ago modified 17d ago also GHSA-v798-mcc6-2m3m , EUVD-2026-40381

cvss
9.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
6.9%
EPSS 6.9% chance of exploitation in 30 days, percentile 94%
public exploits
1
Metasploit

Summary

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.

Patch / fix

  • pypi langflow 1.10.1.rc0

Is CVE-2026-7873 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Timeline

  1. First public exploit (Metasploit exploit/multi/http/langflow_auth_rce_cve_2026_7873)
  2. Published

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
4mo ago

Exploit prediction

6.92% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

CVSS scores

assigned by version score vector
CNA 3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
GitHub 3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
pypi langflow
>=1.0.0, <1.10.1.rc0
1.10.1.rc0

Affected products

  • IBM Langflow OSS

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.