A path traversal vulnerability exists in the Projects Service download endpoint shared by Altium Enterprise Server and Altium 365. An authenticated user can supply a crafted path parameter that bypasses validation, allowing arbitrary files (including entire directories returned as archives) to be read from the server filesystem.
Because the readable files include service configuration and credential material, exploitation can be used to gather information enabling further compromise. The issue can be combined with CVE-2026-11424 to reach the cloud-side endpoint. On multi-tenant Altium 365 deployments, the readable configuration could have exposed credentials shared across services. Altium Enterprise Server is fixed in 8.1.1; the issue has been remediated in Altium 365 at the service level.
Metrics
Affected Vendors & Products
References
History
Mon, 08 Jun 2026 14:30:00 +0000
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ssvc
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Sun, 07 Jun 2026 11:30:00 +0000
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Altium
Altium altium 365 Altium enterprise Server |
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| Vendors & Products |
Altium
Altium altium 365 Altium enterprise Server |
Fri, 05 Jun 2026 21:30:00 +0000
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| Description | A path traversal vulnerability exists in the Projects Service download endpoint shared by Altium Enterprise Server and Altium 365. An authenticated user can supply a crafted path parameter that bypasses validation, allowing arbitrary files (including entire directories returned as archives) to be read from the server filesystem. Because the readable files include service configuration and credential material, exploitation can be used to gather information enabling further compromise. The issue can be combined with CVE-2026-11424 to reach the cloud-side endpoint. On multi-tenant Altium 365 deployments, the readable configuration could have exposed credentials shared across services. Altium Enterprise Server is fixed in 8.1.1; the issue has been remediated in Altium 365 at the service level. | |
| Title | Path Traversal in Altium Projects Service Allows Arbitrary File Read | |
| Weaknesses | CWE-200 CWE-22 |
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| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: Altium
Published: 2026-06-05T21:08:05.532Z
Updated: 2026-06-08T13:12:33.194Z
Reserved: 2026-06-05T21:03:16.924Z
Link: CVE-2026-11431
Updated: 2026-06-08T13:12:29.659Z
Status : Awaiting Analysis
Published: 2026-06-05T22:16:47.650
Modified: 2026-06-08T15:00:38.710
Link: CVE-2026-11431
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