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Solution
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Workaround
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Wed, 30 Sep 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Sat, 26 Sep 2026 23:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Cap-go
Cap-go cap-go |
|
| Vendors & Products |
Cap-go
Cap-go cap-go |
Sat, 26 Sep 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Capgo (capgo.app) exposes a native build TUS upload proxy (supabase/functions/_backend/public/build/upload.ts) that authorizes a caller against a single build job identified by the supplied builder_job_id and validates only that job's stored upload_path, but then forwards the user-controlled TUS resource suffix taken from /build/upload/:jobId/* to the builder service while injecting Capgo's privileged builder API key. Because the forwarded suffix is never bound to the authorized job's upload_path or upload_session_key, a caller holding a valid 'all' or 'write' Capgo API key with app.build_native permission for one application can use its authorized proxy path for job A to write to the TUS upload resource of another job B, provided that resource suffix is known or exposed, corrupting that build's artifacts. All versions are affected; no patch was available at the time of advisory publication. | |
| Title | Capgo Build Upload Proxy Authorization Bypass via TUS Resource | |
| Weaknesses | CWE-441 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-30T12:57:56.565Z
Reserved: 2026-09-26T02:31:07.602Z
Link: CVE-2026-100625
Updated: 2026-09-30T12:57:22.963Z
Status : Deferred
Published: 2026-09-26T14:16:43.567
Modified: 2026-09-30T13:17:16.413
Link: CVE-2026-100625
No data.
OpenCVE Enrichment
Updated: 2026-09-26T22:29:13Z