Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 7.8 | High | 3.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS No score.
Timeline
- 31 Oct 2026, 13:34 UTC First seen by agentprime
- 31 Oct 2026, 13:34 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-6ph4-r249-58p2
- OSV: GHSA-6ph4-r249-58p2
- github.com/knowns-dev/knowns/security/advisories/GHSA-mc52-mwq4-vfx3
- nvd.nist.gov/vuln/detail/CVE-2026-86540
- github.com/knowns-dev/knowns/commit/d3989829fb5095666d23d005b2f78a082832a396
- github.com/knowns-dev/knowns
- github.com/knowns-dev/knowns/blob/v0.29.1/internal/lsp/detect.go#L128-L157
- github.com/knowns-dev/knowns/blob/v0.29.1/internal/models/config.go#L205-L216
- github.com/knowns-dev/knowns/releases/tag/v0.30.0
- www.vulncheck.com/advisories/knowns-before-0.30.0-arbitrary-code-execution-via-lsp-binary