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CVE-2026-116289— Gitea public-only token bypass through Actions runner registration

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 未拒绝在组织 Actions 运行器注册令牌（registration-token）端点上使用仅限公开资源（）的个人访问令牌。因此，使用该令牌注册的运行器并未被限制为仅能访问公开仓库。攻击者若持有仅具备权限、且属于某个公开组织所有者的此类受限令牌，即可注册组织级别的运行器，并接收该组织已启用 Actions 的私有仓库的作业。这些作业内容包括工作流内容、Actions 密钥（secrets）和变量，以及可访问私有仓库的任务令牌（task token）。该问题扩大了受限令牌的可达范围，但并未赋予超出该

AI Predicted 7.5 Difficulty: Moderate Updated Nov 01, 2026

Possible ATT&CK Techniques 2 AI

T1078 · Valid Accounts T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

Vendor	Product	Version Range	Status
Gitea	Gitea	`< 28.3.0`	affected

Updated Nov 01, 2026

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Vulnerability Information

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Vulnerability Title

Gitea public-only token bypass through Actions runner registration

Source: CVE Program / CVE List V5

Vulnerability Description

Gitea did not reject personal access tokens restricted to public resources (`public-only`) on the organization Actions runner registration-token endpoint, and the runner registered with the resulting token was not limited to public repositories. Holding only such a token with `write:organization` that belongs to an owner of a public organization, an attacker could register an organization-level runner and receive jobs of the organization's private repositories that have Actions enabled, including the workflow content, Actions secrets and variables, and a task token with access to the private repository. The issue widens what the restricted token can reach; it gives nothing beyond what the owner's full account can already do.

Source: CVE Program / CVE List V5

CVSS Information

N/A

Source: CVE Program / CVE List V5

Vulnerability Type

授权机制不正确

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Gitea	Gitea	0 ~ 28.3.0	-

II. Public POCs for CVE-2026-116289

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-116289

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Other References for CVE-2026-116289 (5)

https://github.com/go-gitea/gitea/releases/tag/v28.3.0 release-notes
https://blog.gitea.com/release-of-28.3.0/ release-notes
https://github.com/go-gitea/gitea/pull/39690 patch
https://github.com/go-gitea/gitea/security/advisories/GHSA-qcgm-ggp8-22qc vendor-advisory
https://github.com/go-gitea/gitea/pull/39853 patch

https://www.cve.org/CVERecord?id=CVE-2026-116289

Same Patch Batch · Gitea · 2026-11-01 · 20 CVEs total

CVE-2026-117649		Gitea private issue disclosure through issue dependency timeline events
CVE-2026-118386		Gitea Actions fork workflow trust through pull request review commit
CVE-2026-120263		Gitea OAuth2 account auto-linking takeover through the sign-up form
CVE-2026-112887		Gitea Actions task token private repository enumeration
CVE-2026-113429		Gitea stored XSS through legacy Actions artifact Content-Encoding
CVE-2026-114199		Gitea contribution heatmap private activity disclosure to public-only tokens
CVE-2026-116296		Gitea archived repository release, milestone and label modification
CVE-2026-116474		Gitea Actions job token spoofing of instance-signed commits
CVE-2026-117635		Gitea admin API public-only token scope bypass
CVE-2026-117646		Gitea private repository listing to public-only tokens on profiles
CVE-2026-119627		Gitea limited-visibility profile disclosure with public-only tokens
CVE-2026-117677		Gitea Helm chart upload decompression denial of service
CVE-2026-117685		Gitea public-only package token access to private OCI blobs
CVE-2026-118394		Gitea OAuth2 userinfo private group disclosure to public-only tokens
CVE-2026-118395		Gitea public-only token bypass in repository and organization creation
CVE-2026-118504		Gitea issue changes on archived repositories through the API
CVE-2026-119441		Gitea public-only token bypass on bulk organization repository deletion
CVE-2026-119533		Gitea private pull request disclosure on project boards
CVE-2026-119625		Gitea user and organization feed token scope bypass

IV. Related Vulnerabilities

Same product: Gitea

Same vendor: Gitea

Same weakness: CWE-863