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MEDIUM · 6.5

CVE-2026-104316

IBM Langflow OSS 1.0.0 through 1.12.3 could allow an authenticated attacker to cancel any victim's running background workflow job by sending a single HTTP request, resulting in loss of in-progress co...

Vulnerability Description

IBM Langflow OSS 1.0.0 through 1.12.3 could allow an authenticated attacker to cancel any victim's running background workflow job by sending a single HTTP request, resulting in loss of in-progress compute work with no flow-level permission check.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
LangflowLangflow>= 1.0.0, < 1.12.4

Related Weaknesses (CWE)

CWE-285

References

FAQ

What is CVE-2026-104316?

CVE-2026-104316 is a vulnerability with a CVSS score of 6.5 (MEDIUM). IBM Langflow OSS 1.0.0 through 1.12.3 could allow an authenticated attacker to cancel any victim's running background workflow job by sending a single HTTP request, resulting in loss of in-progress co...

How severe is CVE-2026-104316?

CVE-2026-104316 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-104316?

Check the references section above for vendor advisories and patch information. Affected products include: Langflow Langflow.