Unprotected Alternate Channel Affecting step package, versions <0.28.7-r4
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published25 Oct 2025
- disclosed23 Oct 2025
Introduced: 23 Oct 2025
CVE-2025-62820 (opens in a new tab)How to fix?
Upgrade Chainguard step to version 0.28.7-r4 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream step package and not the step package as distributed by Chainguard.
See How to fix? for Chainguard relevant fixed versions and status.
Slack Nebula before 1.9.7 mishandles CIDR in some configurations and thus accepts arbitrary source IP addresses within the Nebula network.