CVSS 4.0
8.7 highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:NCVE-2026-88939
High (8.7). EPSS 0.5% chance of exploitation in the next 30 days.
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.
Severity
CVSS 3.1
8.3 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
- CWE
- CWE-863
- Published
- Modified
- Record from
- the NVD, synced
References
- https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/permissions/guard.go#L104-L113
- https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/permissions/registry.go#L51-L54
- https://github.com/knowns-dev/knowns/security/advisories/GHSA-h73x-698r-qrvg
- https://www.vulncheck.com/advisories/knowns-through-0.33.0-authorization-bypass-via-project-set-bootstrap-exemption
- https://github.com/knowns-dev/knowns/security/advisories/GHSA-h73x-698r-qrvg