Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/bookwyrm-social/bookwyrm
- https://github.com/bookwyrm-social/bookwyrm/blob/v0.9.1/bookwyrm/templates/snipp
- https://github.com/bookwyrm-social/bookwyrm/blob/v0.9.1/bookwyrm/views/status.py
- https://github.com/geo-chen/oss/blob/main/bookwyrm.md#finding-1-authenticated-id
- https://www.vulncheck.com/advisories/bookwyrm-through-0.9.1-insecure-direct-obje
- https://github.com/geo-chen/oss/blob/main/bookwyrm.md#finding-1-authenticated-id
FAQ
What is CVE-2026-86111?
CVE-2026-86111 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 sequ...
How severe is CVE-2026-86111?
CVE-2026-86111 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-86111?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.