CVE-2026-56299

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

5.3 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L                                    

Vulnerability Description

Capgo before 12.128.2 contains an authentication bypass vulnerability in the /build/upload/:jobId/* endpoint that allows unauthenticated attackers to trigger consistent 500 errors. Remote attackers can send OPTIONS requests to bypass authentication middleware and invoke tusProxy logic with invalid credentials, enabling trivial request flooding and denial of service.

Vulnerability Details

Published Date

June 21, 2026

Last Modified

June 21, 2026

CWE ID

CWE-306

Source

NVD

Vendor

Capgo

Product

Capgo

External References

https://github.com/Cap-go/capgo/security/advisories/GHSA-6c7m-4223-446j
https://www.vulncheck.com/advisories/capgo-denial-of-service-via-unauthenticated-options-request-to-build-upload-endpoint

CVE-2026-56299

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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