CVE-2026-81265
Langflow is vulnerable to server-side request forgery due to missing egress validation on server-side URL fetches
IBM Langflow OSS 1.0.0 through 1.11.5.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Langflow is vulnerable to server-side request forgery due to missing egress validation on server-side URL fetches
IBM Langflow OSS 1.0.0 through 1.11.5.
- Record
CVE-2026-81265- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
EUVDEUVD-2026-75778
IBM Langflow OSS 1.0.0 through 1.11.5.
- Record
EUVD-2026-75778- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-j99h-p584-x29h
IBM Langflow OSS 1.0.0 through 1.11.5.
IBM Langflow OSS 1.0.0 through 1.11.5.
- Record
GHSA-j99h-p584-x29h- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
NVD
IBM Langflow OSS 1.0.0 through 1.11.5.
- Record
CVE-2026-81265- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
OSV
IBM Langflow OSS 1.0.0 through 1.11.5.
- Record
CVE-2026-81265- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-81265 is a high vulnerability (CVSS 7.5) in Ibm Langflow Oss, published September 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 34th percentile. No source names a fixed version.