Cap-go before 12.128.2 contains an information disclosure vulnerability in the OPTIONS /build/upload/:jobId/* endpoint that allows unauthenticated attackers to enumerate valid builder job IDs through observable response discrepancies. Attackers can probe the endpoint without authentication to distinguish valid job IDs from invalid ones and generate sustained unauthenticated traffic for resource consumption.
Metrics
Affected Vendors & Products
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References
History
Sun, 21 Jun 2026 15:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Cap-go before 12.128.2 contains an information disclosure vulnerability in the OPTIONS /build/upload/:jobId/* endpoint that allows unauthenticated attackers to enumerate valid builder job IDs through observable response discrepancies. Attackers can probe the endpoint without authentication to distinguish valid job IDs from invalid ones and generate sustained unauthenticated traffic for resource consumption. | |
| Title | Cap-go - Job Existence Oracle via Unauthenticated OPTIONS /build/upload/:jobId/* | |
| Weaknesses | CWE-203 | |
| References |
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| Metrics |
cvssV3_1
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MITRE
Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-06-21T13:26:56.210Z
Reserved: 2026-06-20T12:59:07.917Z
Link: CVE-2026-56316
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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