# CVE-2026-123184: Altium 365 Git Service authorization bypass in push access control

Source: https://junglewise.ai/threats/cve-2026-123184-an-incorrect-authorization-vulnerability-exists-in-the-altium  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-05. Updated: 2026-11-05  
License: CC BY 4.0 with a link back

CVE-2026-123184 · Severity: info · Published 2026-11-05

Altium 365 Git Service, a component that manages source code repositories for electronics design projects, contained a flaw in permission checks for write access. An authenticated user with read-only access to a project could write to its git repository, potentially modifying project files and designs without authorization. The vulnerability required existing account access and has been patched at the service level.

Vendors: [Altium](https://junglewise.ai/threats/vendors/altium).

## Quick answers

**Is CVE-2026-123184 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-123184 being exploited in the wild.

**How severe is CVE-2026-123184?** Informational severity, published 5 November 2026.

**Which products and versions are affected?** Altium 365 Git Service.

**Is there a fix for CVE-2026-123184?** No fixed version is recorded yet. No customer action is required for Altium 365; the issue has been remediated at the service level. On-premise Altium Enterprise Server deployments are not affected. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-123184 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-123184?** Check whether you run Altium 365 Git Service. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix


No customer action is required for Altium 365; the issue has been remediated at the service level. On-premise Altium Enterprise Server deployments are not affected.

## Technical details

The vulnerability is an incorrect authorization check in the git push operation that failed to properly evaluate access levels, accepting any authenticated user with any level of project access. The vulnerability affects write operations only; read access controls were implemented correctly. Exploitation requires an authenticated account with at least view-only access to the target project.

## Affected products

- Altium 365 Git Service

## Timeline

- 2026-11-05: disclosed

## References

- [https://www.altium.com/platform/security-compliance/security-advisories](https://www.altium.com/platform/security-compliance/security-advisories)