CVE-2026-100626 capgo through 12.128.2 IDOR via PUT /app icon endpoint
Authenticated users can read cross-tenant private images by supplying arbitrary paths to the app icon endpoint, exposing sensitive user and organization data.
- 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-2026-100626?
CVE-2026-100626 is a medium-severity missing authorization vulnerability in Cap-go capgo.app, published on 26 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
capgo through 12.128.2 contains an insecure direct object reference vulnerability in the PUT /app/:appId endpoint that accepts attacker-controlled icon storage paths. Authenticated users can supply arbitrary paths in the private images bucket and obtain service-role-signed URLs valid for 7 days to read cross-tenant objects including user avatars, organization logos, and app icons without authorization.
Weakness: CWE-639
Which versions are affected by CVE-2026-100626?
How do I fix CVE-2026-100626?
No fix has been published for CVE-2026-100626 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-2026-100626 being exploited?
There is no known exploitation of CVE-2026-100626 in the wild and no public exploit code.
Sources
Also known as GHSA-84xq-4rv7-p252, GHSA-g675-f5v2-69hx.