CVE-2026-56250 Capgo - Arbitrary R2 Object Deletion via Mutable r2_path in app_versions
Attackers can delete arbitrary victim R2 objects by manipulating mutable paths, causing denial of service in Capgo update services.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-56250?
CVE-2026-56250 is a high-severity missing authorization vulnerability in Capgo, published on 8 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Capgo before 12.128.2 allows upload-scoped API keys to modify the mutable app_versions.r2_path field through PostgREST, enabling retargeting to arbitrary R2 bundle objects. Attackers can patch r2_path to point to victim objects, soft-delete the attacker-controlled version, and trigger the on_version_update cleanup function to delete the victim R2 object, causing denial of service and bundle availability disruption.
Weakness: CWE-862
Which versions are affected by CVE-2026-56250?
How do I fix CVE-2026-56250?
No fix has been published for CVE-2026-56250 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-2026-56250 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-56250 exists.
Sources
Also known as GHSA-8jvj-57hc-9w8w, GHSA-pw8p-5jg6-cxj3.