What is CVE-2026-56280?

CVE-2026-56280 is a high-severity vulnerability in Cap-go Capgo, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-06-22.

How severe is CVE-2026-56280?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in Cap-go Capgo

CVE-2026-56280

Cap-go before 12.128.2 contains a privilege inversion vulnerability in GET /build/logs/:jobId that allows read-only API key holders to cancel running native builds. The endpoint registers an abort listener on the SSE stream that unconditio…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H.

Affected products

Cap-go Capgo — versions 0, 12.128.2

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56280?: CVE-2026-56280 is a high-severity vulnerability in Cap-go Capgo, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-06-22.
How severe is CVE-2026-56280?: High severity. CVSS v3 base score is 7.1 out of 10.