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CVE-2026-105447— Quay: quay: global read-only superuser can access build trigger write credentials

Quick assessment

Affected
Red Hat Red Hat Quay 3
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.

在 Quay 中发现了一个缺陷。在处理构建触发请求时，应用程序错误地向全局只读管理用户暴露了包含仓库写入令牌（repository write tokens）的触发器配置详情。具有只读权限的经过身份验证的用户可以通过查询构建触发器 API 来检索这些委托令牌，从而利用此漏洞。该问题使得受限制的用户能够绕过只读限制，向私有仓库推送任意的容器镜像，从而导致权限提升（privilege escalation）。

CVSS 5.5 · Medium
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I. Basic Information for CVE-2026-105447

Vulnerability Information
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Vulnerability Title
Quay: quay: global read-only superuser can access build trigger write credentials
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Quay. When handling build trigger requests, the application incorrectly exposes trigger configuration details containing repository write tokens to global read-only administrative users. An authenticated user with read-only privileges can exploit this flaw by querying the build trigger API to retrieve these delegate tokens. This issue allows a restricted user to bypass read-only limitations and push arbitrary container images to private repositories, leading to privilege escalation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
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
Red Hat Red Hat Quay 3 - cpe:/a:redhat:quay:3
Red Hat Red Hat Quay 3 - cpe:/a:redhat:quay:3

II. Public POCs for CVE-2026-105447

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III. Intelligence Information for CVE-2026-105447

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Other References for CVE-2026-105447 (2)

Same Patch Batch · Red Hat · 2026-10-05 · 13 CVEs total

CVE-2026-101919 8.8 HIGH Hypershift: hypershift: unsanitized kubeconfig passthrough from tenant namespace to contro
CVE-2026-71299 6.5 MEDIUM Maestro: maestro: rest api write endpoints registered without authentication middleware
CVE-2026-105306 6.5 MEDIUM Keycloak-services: keycloak-services: token introspection audience bypass via dynamic clie
CVE-2026-71298 6.4 MEDIUM Maestro: sql identifier injection via properties.* search filter and orderby field
CVE-2026-105302 5.7 MEDIUM Keycloak-services: keycloak-services: user session note mapper exposes upstream idp access
CVE-2026-104030 5.5 MEDIUM Sssd: sssd: denial of service via out-of-bounds read during passkey parsing
CVE-2026-71297 5.4 MEDIUM Maestro: maestro: grpc broker has no auth interceptor and client mtls is optional
CVE-2026-102295 5.4 MEDIUM Quay: quay: dom-based cross-site scripting via oauth local callback format=json parameter
CVE-2026-102576 4.2 MEDIUM Quay: quay: dom-based cross-site scripting via unvalidated redirect_url on signin page
CVE-2026-105301 4.0 MEDIUM Keycloak-services: keycloak-services: blind ssrf via x.509 authenticator fetching attacker
CVE-2026-104029 3.3 LOW Sssd: sssd: denial of service via out-of-bounds read in autofs responder
CVE-2026-105326 2.5 LOW Cups: cups: argument injection in mailto notifier via notify-recipient-uri

IV. Related Vulnerabilities

Same product: Red Hat Quay 3
Same vendor: Red Hat
Same weakness: CWE-863

V. Comments for CVE-2026-105447

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