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 |
|---|---|---|---|---|
| 5.4 | Medium | 3.1 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N | CNA (kubernetes) |
- CISA KEV Not listed.
- EPSS 0.034, the 88th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:44 UTC First seen by agentprime
- 31 Oct 2026, 14:44 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-wqv3-8cm6-h6wg
- OSV: GHSA-wqv3-8cm6-h6wg
- github.com/bottlerocket-os/bottlerocket/security/advisories/GHSA-wqv3-8cm6-h6wg
- nvd.nist.gov/vuln/detail/CVE-2020-8558
- github.com/kubernetes/kubernetes/issues/92315
- bugzilla.redhat.com/show_bug.cgi?id=1843358
- cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8558
- github.com/kubernetes/kubernetes
- github.com/tabbysable/POC-2020-8558
- groups.google.com/g/kubernetes-announce/c/sI4KmlH3S2I/m/TljjxOBvBQAJ
- groups.google.com/g/kubernetes-security-announce/c/B1VegbBDMTE
- labs.bishopfox.com/tech-blog/bad-pods-kubernetes-pod-privilege-escalation
- security.netapp.com/advisory/ntap-20200821-0001
- www.openwall.com/lists/oss-security/2020/07/08/1