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CVE-2026-73804— Gitea API token scope escalation through HTTP signatures

一分钟漏洞结论

影响对象
Gitea Gitea
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 allows a token with write:user scope to register an attacker-controlled SSH public key on the token owner's account. API requests signed with the corresponding private key authenticate as that account through HTTP Signature without API token scope inform

影响版本矩阵 1

厂商产品 版本范围状态
Gitea Gitea ≤ 1.26.4 affected
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一、 漏洞 CVE-2026-73804 基础信息

漏洞信息

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Vulnerability Title
Gitea API token scope escalation through HTTP signatures
来源: CVE Program / CVE List V5
Vulnerability Description
Gitea allows a token with write:user scope to register an attacker-controlled SSH public key on the token owner's account. API requests signed with the corresponding private key authenticate as that account through HTTP Signature without API token scope information, causing route-level token scope checks to be skipped. This converts a user-scoped token into an unscoped API authentication method while retaining the account's normal role and repository permissions.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
特权授予不正确
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 0 ~ 1.26.4 -

二、漏洞 CVE-2026-73804 的公开POC

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三、漏洞 CVE-2026-73804 的情报信息

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CVE-2026-73804 补丁与修复 (2)

CVE-2026-73804 厂商页面 (1)

CVE-2026-73804 其他参考 (1)

CVE-2026-73804 其他参考 (1)

同批安全公告 · Gitea · 2026-10-14 · 共 36 条

CVE-2026-62925 Gitea Alpine package parsing memory exhaustion
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-2026-63792 Gitea private reusable workflow disclosure to fork runs
CVE-2026-63021 Gitea Swift package manifest memory exhaustion
CVE-2026-59774 Gitea Org-mode file disclosure and code execution
CVE-2026-68964 Gitea restricted-user SSH and GPG key metadata disclosure
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-2026-73539 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

显示前 20 条，共 36 条。 查看全部 → →

IV. Related Vulnerabilities

Same product: Gitea
Same vendor: Gitea
Same weakness: CWE-266

V. Comments for CVE-2026-73804

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