Coder up to 2.34.7 ACL improper authorization

Summaryinfo

A vulnerability was found in Coder. It has been classified as problematic. This affects an unknown part of the component ACL. The manipulation leads to improper authorization. This vulnerability is listed as CVE-2026-111930. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Coder. This issue affects an unknown code block of the component ACL. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality. The summary by CVE is:

Coder from 2.26.0 before 2.34.8 contains an incorrect authorization flaw in the GET /api/v2/workspaces/{id}/acl endpoint, which checks only workspace read access and then fetches group members using an elevated system context. Authenticated users granted workspace use access can query the endpoint to harvest group members' emails, login types, status, and last-seen and creation timestamps.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-111930 since 10/17/2026. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Upgrading to version 2.34.8 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-103297). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• Coder

Version

• 1.0
• 1.28
• 1.29.9.2
• 2.5.2
• 2.5.3
• 2.23.0
• 2.24.4
• 2.24.5
• 2.25.1
• 2.25.2
• 2.26.5
• 2.27.6
• 2.27.7
• 2.28.3
• 2.28.4
• 2.29.7
• 2.29.12
• 2.29.13
• 2.29.17
• 2.29.19
• 2.30.1
• 2.30.2
• 2.30.7
• 2.30.8
• 2.31.11
• 2.31.12
• 2.32.1
• 2.32.2
• 2.32.6
• 2.32.7
• 2.32.8
• 2.32.9
• 2.33.2
• 2.33.3
• 2.33.7
• 2.33.8
• 2.33.9
• 2.33.10
• 2.34.1
• 2.34.2
• 2.34.3
• 2.34.4
• 2.34.7

Website

• Product: https://github.com/coder/coder/

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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