CVE-2026-88939
knowns through 0.33.0 Authorization Bypass via project.set Bootstrap Exemption
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 10, 2026
- Updated
- Sep 15, 2026
- Reserved
- Sep 10, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.3 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L | VulnCheck |
Weaknesses
- CWE-863 Incorrect Authorization
Affected Products
| Product | Versions |
|---|---|
knownsknowns-dev |
|
References
- GitHub Security Advisory (GHSA-h73x-698r-qrvg)vendor-advisory
- https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/permissions/guard.go#L104-L113technical-description
- https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/permissions/registry.go#L51-L54technical-description
- VulnCheck Advisory: knowns through 0.33.0 Authorization Bypass via project.set Bootstrap Exemptionthird-party-advisory
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