CVE-2026-86111 BookWyrm through 0.9.1 Insecure Direct Object Reference in EditStatus Exposes Followers-Only and Direct Statuses
Authenticated attackers can read private followers-only and direct statuses by enumerating IDs in the edit endpoint, bypassing privacy controls.
- 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-2026-86111?
CVE-2026-86111 is a high-severity missing authorization vulnerability in bookwyrm-social bookwyrm, published on 5 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
BookWyrm through 0.9.1 fails to validate user visibility permissions in the status edit endpoint, allowing authenticated attackers to read followers-only and direct-message reviews by enumerating sequential status IDs. Attackers can access the raw content of restricted statuses through the edit view, bypassing the privacy protections documented for these message types.
Weakness: CWE-639
Which versions are affected by CVE-2026-86111?
How do I fix CVE-2026-86111?
No fix has been published for CVE-2026-86111 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-2026-86111 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86111 exists.
Sources
Also known as GHSA-phg3-p22v-rp9q.