Capgo before 12.128.2 contains an information disclosure vulnerability in the /functions/v1/channel_self endpoint that allows unauthenticated attackers to enumerate non-public channel names and determine app existence and subscription status. Remote attackers can send GET requests with arbitrary app_id parameters to disclose internal rollout channels, enumerate valid applications across tenants, and leak billing status without authentication or device binding.
Metrics
Affected Vendors & Products
References
History
Wed, 24 Jun 2026 16:45:00 +0000
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Cap-go
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Cap-go
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Tue, 23 Jun 2026 15:30:00 +0000
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ssvc
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Mon, 22 Jun 2026 22:00:00 +0000
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| Description | Capgo before 12.128.2 contains an information disclosure vulnerability in the /functions/v1/channel_self endpoint that allows unauthenticated attackers to enumerate non-public channel names and determine app existence and subscription status. Remote attackers can send GET requests with arbitrary app_id parameters to disclose internal rollout channels, enumerate valid applications across tenants, and leak billing status without authentication or device binding. | |
| Title | Capgo - Unauthenticated Channel Enumeration and App Oracle via GET /channel_self | |
| Weaknesses | CWE-200 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-06-22T21:04:49.612Z
Updated: 2026-06-23T15:05:53.304Z
Reserved: 2026-06-20T13:06:29.993Z
Link: CVE-2026-56323
Updated: 2026-06-23T14:55:28.305Z
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