CVEvulnerability
CVE-2026-86544
7.2 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-09-07
- Last modified
- 2026-09-09
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 7.2 HIGH — CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- Weaknesses
- CWE-863
Description
knowns versions before 0.30.0 contain an authorization bypass vulnerability where mutating code actions are incorrectly classified as read-only operations. Attackers with read-restricted sessions can exploit code.replace to modify permission configurations and escalate privileges on subsequent calls.
Related
Weakness · CWE (1)
- CWE-863 Incorrect Authorization weakness
References
- https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/permissions/guard.go#L44-L60 github.com
- https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/permissions/registry.go#L99-L140 github.com
- https://github.com/knowns-dev/knowns/commit/a2c98fc5c313463576c9348beeec6a74ddd7333b github.com
- https://github.com/knowns-dev/knowns/releases/tag/v0.30.0 github.com
- https://github.com/knowns-dev/knowns/security/advisories/GHSA-w323-3wpx-f7g5 github.com
- https://www.vulncheck.com/advisories/knowns-before-0.30.0-authorization-bypass-via-misclassified-code-actions www.vulncheck.com