VULNERABILITY INTELLIGENCE
CVE-2026-56299
CVSS score5.3 MEDIUM
EPSS probability0.68%
CISA KEVNot currently listed
Published2026-06-21
Last modified2026-06-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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.
Weakness classification
- disclosure@vulncheck.com: CWE-306