CVE-2026-29954 — In KubePlus 4.1.4, the mutating webhook and kubeconfiggenerator components have…
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🚨 CVE-2026-29954 In KubePlus 4.1.4, the mutating webhook and kubeconfiggenerator components have an SSRF vulnerability when processing the chartURL field of ResourceComposition resources. The field is only URL-encoded without validating the target address.
What This Means For You
- Rated critical severity — prioritize patching or mitigation.
- New vulnerability disclosed — verify if your stack is exposed.
Related ATT&CK Techniques
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-29954 | SSRF | KubePlus 4.1.4, mutating webhook component, processing chartURL field of ResourceComposition resources, URL-encoded without validating target address. |
| CVE-2026-29954 | Command Injection | KubePlus 4.1.4, kubeconfiggenerator component, processing chartURL field of ResourceComposition resources, chartURL directly concatenated into wget command, allowing --header option injection. |
| CVE-2026-29954 | HTTP Header Injection | KubePlus 4.1.4, kubeconfiggenerator component, processing chartURL field of ResourceComposition resources, chartURL directly concatenated into wget command, allowing --header option injection. |
Source & Attribution
| Source Platform | Telegram |
| Channel | CVE Notify |
| Published | April 06, 2026 at 18:56 UTC |
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