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CVE-2026-117685— Gitea public-only package token access to private OCI blobs

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.

OCI 镜像仓库在跨仓库挂载 blob 时，仅对目标包检查了令牌的（仅公开）限制，而对源 blob 却仅依据令牌拥有者的完整账户权限进行检查。因此，若某个令牌被标记为且作用域为，而其拥有者具备读取私有包并向公开包命名空间写入的权限，则该令牌可将私有包中的 blob 挂载到公开包中。随后，任何用户均可通过该公开包下载这些私有 blob（例如容器层）。

AI Predicted 7.5 Difficulty: Moderate Updated Nov 01, 2026

Possible ATT&CK Techniques 1 AI

T1567.002 · Exfiltration to Cloud Storage

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 package token access to private OCI blobs

Source: CVE Program / CVE List V5

Vulnerability Description

The OCI registry's cross-repository blob mount checked the target package against the token's `public-only` restriction, but checked the source blob only against the full account permissions of the token owner. A `public-only` token with `write:package` scope, whose owner can read a private package and write to a public package namespace, could mount a blob of the private package into the public package. The private blob, such as a container layer, could then be downloaded by anyone through the public package.

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-2026-117685

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-117685

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Other References for CVE-2026-117685 (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-8g99-g36h-5p2w vendor-advisory
https://github.com/go-gitea/gitea/pull/39853 patch

https://www.cve.org/CVERecord?id=CVE-2026-117685

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

CVE-2026-117646		Gitea private repository listing to public-only tokens on profiles
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-2026-116289		Gitea public-only token bypass through Actions runner registration
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-2026-119627		Gitea limited-visibility profile disclosure with public-only tokens
CVE-2026-117649		Gitea private issue disclosure through issue dependency timeline events
CVE-2026-117677		Gitea Helm chart upload decompression denial of service
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