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.
References6
- github.com/knowns-dev/knowns/blob/v0.29.1/internal/permissions/…
- github.com/knowns-dev/knowns/blob/v0.29.1/internal/permissions/…
- github.com/knowns-dev/knowns/commit/a2c98fc5c313463576c9348beee…
- github.com/knowns-dev/knowns/releases/tag/v0.30.0
- github.com/knowns-dev/knowns/security/advisories/GHSA-w323-3wpx…
- www.vulncheck.com/advisories/knowns-before-0.30.0-authorization…
Metrics
- CVSS 3.1
-
8.1
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - CVSS 4.0
-
7.2
HIGH
Score source: CNA
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 - EPSS — exploit probability
- 1% percentile: 48 · as of 3 November 2026
- CWE
- CWE-863
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.