Description
Gitea Runner passes workflow-controlled container options into Docker job container configuration while privileged mode is disabled. Host namespace settings, expanded capabilities, and security profile overrides can remain effective despite Privileged being forced false. A workflow author able to run jobs on an affected Docker-backed runner can use these options to access host namespaces and execute commands as root on the runner host, bypassing the intended container isolation.
Published: 2026-10-14
Score: n/a
EPSS: n/a
KEV: No
AI Analysis

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Remediation

No solution or workaround provided in the CVE record.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-x4q3-gcj3-m6cf gitea-runner: workflow container.options passes host namespaces and capability flags to job container when privileged mode is disabled
History

Wed, 14 Oct 2026 15:00:00 +0000

Type Values Removed Values Added
Description Gitea Runner passes workflow-controlled container options into Docker job container configuration while privileged mode is disabled. Host namespace settings, expanded capabilities, and security profile overrides can remain effective despite Privileged being forced false. A workflow author able to run jobs on an affected Docker-backed runner can use these options to access host namespaces and execute commands as root on the runner host, bypassing the intended container isolation.
Title Gitea Runner host isolation bypass through container options
Weaknesses CWE-269
References

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: Gitea

Published:

Updated: 2026-10-14T14:37:55.141Z

Reserved: 2026-08-13T16:50:59.169Z

Link: CVE-2026-73802

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-14T15:17:24.670

Modified: 2026-10-14T16:04:39.483

Link: CVE-2026-73802

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-269

    Improper Privilege Management