CVE-2026-105223 json
maclof kubernetes-client 0.17.0 before 0.32.0 Disabled TLS Certificate Verification
published last mo. modified 14d ago also EUVD-2026-92155
- cvss
- 7.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 9%
- public exploits
- 0
- none known
Summary
maclof kubernetes-client 0.17.0 before 0.32.0 disables TLS certificate verification in parseKubeconfig() and parseKubeconfigFile() when a kubeconfig lacks certificate-authority-data, ignoring insecure-skip-tls-verify. On-path attackers can impersonate the Kubernetes API server to capture Bearer tokens or Basic credentials and tamper with WebSocket or REST API traffic.
Patch / fix
- maclof kubernetes-client 0.32.0
Is CVE-2026-105223 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- last mo.
Exploit prediction
0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.1 | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
| CNA | 4.0 | 9.1 | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/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 |
Affected products
- maclof kubernetes-client
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
github.com
/maclof/kubernetes-client/commit/924c0b935fa538ed6b4b0948127609e99d0e6f34
patch
-
github.com
/maclof/kubernetes-client/issues/135
issue-tracking
-
github.com
/maclof/kubernetes-client
product
-
github.com
/maclof/kubernetes-client/releases/tag/0.32.0
release-notes
-
github.com
/maclof/kubernetes-client/blob/0.31.0/src/Client.php#L309-L312
technical-description
-
vulncheck.com
/advisories/maclof-kubernetes-client-0.17.0-before-0.32.0-disabled-tls-certificate-verification
third-party-advisory
Sources
- CVE List CVE-2026-105223
- NVD CVE-2026-105223
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.