CVE-2026-19294
Langflow is affected by multiple authentication bypass, path traversal, authorization, and server-side request forgery vulnerabilities
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute and read any user's private flow due to improper authorization.
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
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Langflow is affected by multiple authentication bypass, path traversal, authorization, and server-side request forgery vulnerabilities
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute and read any user's private flow due to improper authorization.
- Record
CVE-2026-19294- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
EUVDEUVD-2026-67957
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute and read any user's private flow due to improper authorization.
- Record
EUVD-2026-67957- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m52h-5vqv-r8wf
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute and...
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute and read any user's private flow due to improper authorization.
- Record
GHSA-m52h-5vqv-r8wf- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
NVD
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute and read any user's private flow due to improper authorization.
- Record
CVE-2026-19294- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
OSV
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute and read any user's private flow due to improper authorization.
- Record
CVE-2026-19294- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-04
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-19294 is a medium vulnerability (CVSS 6.4) in Ibm Langflow Oss, published August 28, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.