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CVE-2026-73802— Gitea Runner host isolation bypass through container options

一分钟漏洞结论

影响对象
Gitea Gitea Runner
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

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 fo

影响版本矩阵 1

厂商产品 版本范围状态
Gitea Gitea Runner < 3.0.0 affected
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一、 漏洞 CVE-2026-73802 基础信息

漏洞信息

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Vulnerability Title
Gitea Runner host isolation bypass through container options
来源: CVE Program / CVE List V5
Vulnerability 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.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
Gitea Gitea Runner 0 ~ 3.0.0 -

二、漏洞 CVE-2026-73802 的公开POC

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三、漏洞 CVE-2026-73802 的情报信息

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CVE-2026-73802 其他参考 (2)

CVE-2026-73802 其他参考 (1)

同批安全公告 · Gitea · 2026-10-14 · 共 36 条

CVE-2026-68964 Gitea restricted-user SSH and GPG key metadata disclosure
CVE-2026-70396 Gitea organization repository creation token scope bypass
CVE-2026-70406 Gitea private comparison disclosure with public-only tokens
CVE-2026-70400 Gitea private migration creation with public-only tokens
CVE-2026-70402 Gitea local code execution through writable Git hooks
CVE-2026-67577 Gitea restricted-user activity and heatmap disclosure
CVE-2026-63792 Gitea private reusable workflow disclosure to fork runs
CVE-2026-63021 Gitea Swift package manifest memory exhaustion
CVE-2026-62925 Gitea Alpine package parsing memory exhaustion
CVE-2026-70407 Gitea organization listing token scope bypass
CVE-2026-68957 Gitea restricted-user issue search disclosure
CVE-2026-73814 Gitea repository ownership escalation by administrators
CVE-2026-73800 Gitea reusable workflow secret exposure in pull_request_target
CVE-2026-73535 Gitea second-factor bypass through OpenID identity linking
CVE-2026-73804 Gitea API token scope escalation through HTTP signatures
CVE-2026-73539 Gitea external renderer argument injection and code execution
CVE-2026-78231 Gitea blind SSRF through OpenID assertion verification
CVE-2026-78433 Gitea private attachment disclosure through repository mismatch
CVE-2026-73126 Gitea private workflow badge token scope bypass
CVE-2026-25946 Gitea OpenID discovery server-side request forgery

显示前 20 条，共 36 条。 查看全部 &rarr; →

IV. Related Vulnerabilities

Same vendor: Gitea
Same weakness: CWE-269

V. Comments for CVE-2026-73802

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