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CVE-2026-81819

Flowintel Missing Authorization Allows Regular API Users to View Other Users’ Task Assignments

5.3 Medium

Affected versions of Flowintel expose the /my_assignment/user API endpoint to any authenticated API user. The endpoint accepts a user_id parameter identifying the user whose assignments should be returned, but previously had no role restriction beyond general API authentication.

As a result, a lower-privileged authenticated user could potentially query another user’s assignment information by supplying that user’s identifier.

The fix changes:

method_decorators = [api_required]

to:

method_decorators = [admin_or_org_admin_required, api_required]

so only administrators or organization administrators can perform cross-user assignment queries.

Version impacted =>3.3.0

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
None
Availability
None

Exploit likelihood

0.47%Up 0.2 points since Aug 28, 2026
90%50%10%1%

What each source reports

CVE List Score used 5.3

Flowintel Missing Authorization Allows Regular API Users to View Other Users’ Task Assignments

Affected versions of Flowintel expose the /my_assignment/user API endpoint to any authenticated API user. The endpoint accepts a user_id parameter identifying the user whose assignments should be returned, but previously had no role restriction beyond general API authentication.

As a result, a lower-privileged authenticated user could potentially query another user’s assignment information by supplying that user’s identifier.

The fix changes:

method_decorators = [api_required]

to:

method_decorators = [admin_or_org_admin_required, api_required]

so only administrators or organization administrators can perform cross-user assignment queries.

Version impacted =>3.3.0

Record
CVE-2026-81819
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-862
Updated
2026-11-02
EUVDEUVD-2026-67127 5.3

Affected versions of Flowintel expose the /my_assignment/user API endpoint to any authenticated API user. The endpoint accepts a user_id parameter identifying the user whose assignments should be returned, but previously had no role restriction beyond general API authentication.

As a result, a lower-privileged authenticated user could potentially query another user’s assignment information by supplying that user’s identifier.

The fix changes:

method_decorators = [api_required]

to:

method_decorators = [admin_or_org_admin_required, api_required]

so only administrators or organization administrators can perform cross-user assignment queries.

Version impacted =>3.3.0

Record
EUVD-2026-67127
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-49jg-8r6h-h4r7 5.3

Affected versions of Flowintel expose the /my_assignment/user API endpoint to any authenticated...

Affected versions of Flowintel expose the /my_assignment/user API endpoint to any authenticated API user. The endpoint accepts a user_id parameter identifying the user whose assignments should be returned, but previously had no role restriction beyond general API authentication.

As a result, a lower-privileged authenticated user could potentially query another user’s assignment information by supplying that user’s identifier.

The fix changes:

method_decorators = [api_required]

to:

method_decorators = [admin_or_org_admin_required, api_required]

so only administrators or organization administrators can perform cross-user assignment queries.

Version impacted =>3.3.0

Record
GHSA-49jg-8r6h-h4r7
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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
Weakness
CWE-862
Updated
2026-11-02
NVD 5.3

Affected versions of Flowintel expose the /my_assignment/user API endpoint to any authenticated API user. The endpoint accepts a user_id parameter identifying the user whose assignments should be returned, but previously had no role restriction beyond general API authentication.

As a result, a lower-privileged authenticated user could potentially query another user’s assignment information by supplying that user’s identifier.

The fix changes:

method_decorators = [api_required]

to:

method_decorators = [admin_or_org_admin_required, api_required]

so only administrators or organization administrators can perform cross-user assignment queries.

Version impacted =>3.3.0

Record
CVE-2026-81819
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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
Weakness
CWE-862
Updated
2026-11-02
OSV 5.3

Flowintel Missing Authorization Allows Regular API Users to View Other Users’ Task Assignments

Affected versions of Flowintel expose the /my_assignment/user API endpoint to any authenticated API user. The endpoint accepts a user_id parameter identifying the user whose assignments should be returned, but previously had no role restriction beyond general API authentication.

As a result, a lower-privileged authenticated user could potentially query another user’s assignment information by supplying that user’s identifier.

The fix changes:

method_decorators = [api_required]

to:

method_decorators = [admin_or_org_admin_required, api_required]

so only administrators or organization administrators can perform cross-user assignment queries.

Version impacted =>3.3.0

Record
CVE-2026-81819
CVSS 4.0
5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-862
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-81819 is a medium vulnerability (CVSS 5.3) in Flowintel, published August 27, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 40th percentile. No source names a fixed version.

References

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