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CVE-2026-18874

Volsync-addon-controller: volsync-addon-controller: annotation values rendered into yaml via text/template without escaping allows yaml injection into subscription

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

A flaw was found in volsync-addon-controller. This vulnerability allows an attacker to inject malicious YAML (Yet Another Markup Language) code into the OpenShift Lifecycle Manager (OLM) Subscription resource. This is due to improper escaping of annotation values when they are rendered into YAML. Successful exploitation could lead to unauthorized modification or control over OLM Subscription configurations, potentially impacting software management within the cluster. This issue primarily affects systems where the 'volsync-addon-deploy-type: olm' annotation is explicitly enabled.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • rhacm2/acm-volsync-addon-controller-rhel9

    Version range not reported

  • rhacm2/acm-volsync-addon-controller-rhel9

    Version range not reported

  • rhacm2/acm-volsync-addon-controller-rhel9

    Version range not reported

  • rhacm2/acm-volsync-addon-controller-rhel9

    Version range not reported

  • rhacm2/acm-volsync-addon-controller-rhel9

    Version range not reported

  • rhacm2/acm-volsync-addon-controller-rhel9

    Version range not reported

References 8

access.redhat.com

bugzilla.redhat.com