CVE-2026-63792— Gitea private reusable workflow disclosure to fork runs
Quick assessment
Affected
Gitea Gitea
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Gitea 用于读取跨仓库可重用工作流的“协作所有者”授权路径未排除来自分叉（fork）拉取请求的运行。当一个已批准的、针对私有仓库的 fork 工作流被触发时，它可以通过基于协作所有者配置的信任关系，读取另一个私有仓库中的工作流文件。该漏洞会导致在调用者指定的 Git 引用（refs）处暴露私有可重用工作流的内容；但漏洞本身并未赋予对其他仓库的写入权限或代码执行能力。
Possible ATT&CK Techniques 1 AI
T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-63792
Vulnerability Information
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Vulnerability Title
Gitea private reusable workflow disclosure to fork runs
Source: CVE Program / CVE List V5
Vulnerability Description
Gitea's collaborative-owner authorization path for reading cross-repository reusable workflows does not exclude fork pull request runs. An approved fork workflow targeting a private repository can read workflow files from another private repository that trusts the base repository's owner through collaborative-owner configuration. The issue exposes private reusable workflow contents at caller-selected Git refs; it does not itself grant write access or code execution in the other repository.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不充分权限或特权的处理不恰当
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-63792
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2026-63792 (2)
Other References for CVE-2026-63792 (2)
Other References for CVE-2026-63792 (1)
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https://blog.gitea.com/release-of-1.27.3/ release-notes
Same Patch Batch · Gitea · 2026-10-14 · 36 CVEs total
| CVE-2026-68964 | Gitea restricted-user SSH and GPG key metadata disclosure | |
| CVE-2026-70407 | Gitea organization listing token scope bypass | |
| 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-2026-63021 | Gitea Swift package manifest memory exhaustion | |
| CVE-2026-62925 | Gitea Alpine package parsing memory exhaustion | |
| CVE-2026-59774 | Gitea Org-mode file disclosure and code execution | |
| 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-2026-73130 | Gitea repository initialization resource exhaustion | |
| CVE-2026-73802 | Gitea Runner host isolation bypass through container options |
Showing top 20 of 36 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Gitea
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CVE-2026-78433
Gitea private attachment disclosure through repository misma -
CVE-2026-78231
Gitea blind SSRF through OpenID assertion verification -
CVE-2026-73814
Gitea repository ownership escalation by administrators -
CVE-2026-73804
Gitea API token scope escalation through HTTP signatures -
CVE-2026-73800
Gitea reusable workflow secret exposure in pull_request_targ
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CVE-2026-73804
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Same weakness: CWE-280
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V. Comments for CVE-2026-63792
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