CVE-2026-88939
knowns through 0.33.0 Authorization Bypass via project.set Bootstrap Exemption
CVSS Score
8.3
EPSS Score
0.0%
EPSS Percentile
0th
knowns through 0.33.0 exempts the project.set action from permission guard checks unconditionally, allowing read-only agent sessions to bypass restrictions. Attackers can invoke project.set to repoint the server at another project directory and obtain write access capabilities.
| CWE | CWE-863 |
| Vendor | knowns-dev |
| Product | knowns |
| Published | Sep 10, 2026 |
| Last Updated | Sep 15, 2026 |
Stay Ahead of the Next One
Get instant alerts for knowns-dev knowns
Be the first to know when new high vulnerabilities affecting knowns-dev knowns are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low
Affected Versions
knowns-dev / knowns
0 ≤ 0.33.0
References
github.com: https://github.com/knowns-dev/knowns/security/advisories/GHSA-h73x-698r-qrvg github.com: https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/permissions/guard.go#L104-L113 github.com: https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/permissions/registry.go#L51-L54 vulncheck.com: https://www.vulncheck.com/advisories/knowns-through-0.33.0-authorization-bypass-via-project-set-bootstrap-exemption
Credits
Tong Hoang Gia (uziii2208)