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CVE-2026-81818

HIGHCVSS 8.6/10EPSS 0.31%

Last modified

CVE-2026-81818 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. Affected versions of Flowintel contain an authorization flaw in the administrative user-edit API. The existing authorization check correctly prevented an organization administrator from editing users in another organization, but it did not prevent them from editing a full administrator within their own organization. As a result, an org admin could modify that full administrator account, including changing its password. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

Affected versions of Flowintel contain an authorization flaw in the administrative user-edit API. The existing authorization check correctly prevented an organization administrator from editing users in another organization, but it did not prevent them from editing a full administrator within their own organization. As a result, an org admin could modify that full administrator account, including changing its password. The upstream commit explicitly describes the issue as: “Org admin can change the password of a full admin in the same organization.” The fix adds a higher-privilege boundary check: if user_to_edit.is_admin(): return ... 403 so organization administrators can no longer modify full administrator accounts. Version impacted >=3.3.0

Metrics

CVSS 4.0
8.6/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.31%

23.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
flowintelflowintel<= 3.3.0

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-81818?
Affected versions of Flowintel contain an authorization flaw in the administrative user-edit API. The existing authorization check correctly prevented an organization administrator from editing users in another organization, but it did not prevent them from editing a full administrator within their own organization. As a result, an org admin could modify that full administrator account, including changing its password. The upstream commit explicitly describes the issue as: “Org admin can change the password of a full admin in the same organization.” The fix adds a higher-privilege boundary check: if user_to_edit.is_admin(): return ... 403 so organization administrators can no longer modify full administrator accounts. Version impacted >=3.3.0
How severe is CVE-2026-81818?
CVE-2026-81818 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.
How do I fix CVE-2026-81818?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST