CVE-2026-7873
Code Injection Vulnerability in Code Validation Endpoint
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Code Injection Vulnerability in Code Validation Endpoint
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.
- Record
CVE-2026-7873- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2026-40381
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.
- Record
EUVD-2026-40381- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-v798-mcc6-2m3m
Langflow: Code Injection Vulnerability in Code Validation Endpoint
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.
- Record
GHSA-v798-mcc6-2m3m- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-7873- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2026-7873- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-04
OSVGHSA-v798-mcc6-2m3m
Langflow: Code Injection Vulnerability in Code Validation Endpoint
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.
- Record
GHSA-v798-mcc6-2m3m- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
langflowPyPI |
1.0.0 up to 1.10.1.rc0 | 1.10.1.rc0 |
langflowPyPI |
1.0.0 up to 1.10.1.rc0, plus listed versions 1.0.11.0.101.0.111.0.121.0.13 Show 45 moreShow less1.0.141.0.151.0.161.0.171.0.181.0.191.0.19.post11.0.19.post21.0.21.0.31.0.41.0.51.0.61.0.71.0.81.0.91.1.01.1.11.1.21.1.31.1.41.1.4.post11.10.01.10.0rc01.2.01.3.01.3.11.3.21.3.31.3.41.4.01.4.11.4.21.4.31.5.01.5.0.post11.5.0.post21.5.11.6.01.6.11.6.21.6.31.6.41.6.51.6.6 |
1.10.1.rc0 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | Langflow AI Code Validation Authenticated RCE | 2026-06-30 |
| PoC in GitHub | rmhowe425/POC-CVE-2026-7873 | 2026-09-05 |
| Nuclei | Langflow 1.7.2-1.10.0 - Authenticated Remote Code Execution |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits, facts | Nuclei | |
| first indexed | CVE List, EUVD, GitHub Advisories, Metasploit, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-7873 is a critical vulnerability (CVSS 9.9) in Ibm Langflow Oss, published June 30, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.21%, the 93rd percentile. Fixed in langflow 1.10.1.rc0.
References
ibm.com/support/pages/node/7278441
nvd.nist.gov/vuln/detail/CVE-2026-7873
github.com/langflow-ai/langflow/pull/13696
Left out here: 29 versions. The JSON record has them.