CVE-2026-13318: Virt-api-rhel9: kubevirt: kubevirt: ssrf in virt-api port-forward via unvalidated guest-agent-reported ip
CSIRTS triage
- What
- Server-side request forgery (ssrf) in virt-api port-forward via unvalidated guest-agent-reported IP.
- Who is affected
- Deployments using kubevirt are affected.
- Urgency
- Remediation is medium due to the potential for exploitation.
- Action
- Implement validation for guest-agent-reported IPs.
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-2026-13318
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-2026-133180.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-13318 | coverage & exploitation status | NVD · CVE.org |
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