# CVE-2026-88939

## Summary

- **CVE ID:** CVE-2026-88939
- **Severity:** HIGH
- **CVSS Score:** 8.7 (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)
- **CWE:** CWE-863
- **Published:** Sep 10, 2026
- **Last Modified:** 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.

## Affected Products

- knowns-dev — knowns (0)

## References

- [CNA](https://github.com/knowns-dev/knowns/security/advisories/GHSA-h73x-698r-qrvg)
- [CNA](https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/permissions/guard.go#L104-L113)
- [CNA](https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/permissions/registry.go#L51-L54)
- [CNA](https://www.vulncheck.com/advisories/knowns-through-0.33.0-authorization-bypass-via-project-set-bootstrap-exemption)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._