HumanSignal Label Studio up to 1.23.0 Organization Filters proxy_api.py privileges management

Summaryinfo

A vulnerability classified as problematic has been found in HumanSignal Label Studio up to 1.23.0. This affects an unknown function of the file proxy_api.py of the component Organization Filters. Performing a manipulation results in privileges management. This vulnerability is cataloged as CVE-2026-85211. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in HumanSignal Label Studio up to 1.23.0. This affects some unknown processing of the file proxy_api.py of the component Organization Filters. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality. The summary by CVE is:

Label Studio fails to apply organization filters when resolving storage URIs for tasks and projects in proxy_api.py endpoints. Attackers can access other tenants' cloud storage objects by creating a separate organization and supplying arbitrary file URIs to presign or stream bucket contents.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-85211 since 09/03/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/03/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• HumanSignal

Name

• Label Studio

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23.0

CPE 2.3info

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CPE 2.2info

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Entryinfo

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