CVE-2026-56229 Capgo - Cross-App Build Job Access via app_id/job_id Mismatch in /build/status and /build/logs
Attackers can access build logs and metadata from other applications by mismatching app and job IDs, exposing sensitive information.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-56229?
CVE-2026-56229 is a high-severity missing authorization vulnerability in Capgo, published on 21 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Capgo before 12.128.2 contains an authorization bypass vulnerability in the /build/status and /build/logs endpoints that allows attackers to access build jobs belonging to different applications by supplying a mismatched app_id and job_id combination. Limited API keys restricted to a single app can retrieve build status and logs from other apps by providing an authorized app_id while using a job_id from an unauthorized app, exposing sensitive build information including logs, metadata, and potentially credentials.
Weakness: CWE-639
Which versions are affected by CVE-2026-56229?
How do I fix CVE-2026-56229?
No fix has been published for CVE-2026-56229 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-56229 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-56229 exists.
Sources
Also known as GHSA-2fw5-mcrx-wcqw, GHSA-fp2v-g9f3-6fwg.