CVE-2026-50540: Kata Containers: Config Path Annotation Arbitrary File Loading
CSIRTS triage
- What
- Config path annotation in Kata Containers allows arbitrary file loading via path traversal, bypassing intended file access restrictions.
- Who is affected
- Deployments of Kata Containers where untrusted container images can control configuration path annotations.
- Urgency
- Critical urgency; arbitrary file read/load leading to potential host compromise, container escape, or sensitive data disclosure.
- Action
- Upgrade Kata Containers to patched version immediately; restrict untrusted container image sources until patched.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50540
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-505400.38% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 31% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-50540 | coverage & exploitation status | NVD · CVE.org |
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