CVE-2026-93861

In OpenStack Mistral through 23.0.0, the workflow membership API lets a project that has accepted a share of another project's private workflow create a further membership naming a third project. The new membership row is created with its project_id defaulted to the accepting project rather than the original workflow owner, and thus the owner can neither see nor delete it. The third project can accept this membership (that it had not actually been granted by the owner), and then read and execute the owner's private workflow; only the accepting (not the owning) project can later revoke that access.

CVSS

No CVSS.

References

Link	Resource
https://launchpad.net/bugs/2161277
https://security.openstack.org/ossa/OSSA-2026-044.html

Configurations

No configuration.

History

08 Oct 2026, 18:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-08 18:18

Updated : 2026-10-15 19:17

NVD link : CVE-2026-93861

Mitre link : CVE-2026-93861

CVE.ORG link : CVE-2026-93861

JSON object : View

Products Affected

No product.

CWE

CWE-863

Incorrect Authorization

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