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CVE-2026-18255— Quay: quay: global read-only superuser can view robot account tokens

Quick assessment

Affected
Red Hat Red Hat Quay 3.10
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.

Red Hat Quay是美国Red Hat公司开源的一款分布式容器镜像仓库,它主要用于构建、分布和部署容器。 Red Hat Quay存在授权问题漏洞，该漏洞源于GLOBAL_READONLY_SUPER_USERS配置用户能够查看非其所属仓库的机器人账户令牌，导致具有只读超级用户权限的攻击者可以冒充任何机器人账户。

CVSS 7.2 · High EPSS 0.65% · P49

Affected Version Matrix 6

VendorProduct Version RangeStatus
Red Hat Red Hat Quay 3.10 1788561841< * unaffected
Red Hat Red Hat Quay 3.12 1788594376< * unaffected
Red Hat Red Hat Quay 3.14 1788593843< * unaffected
Red Hat Red Hat Quay 3.15 1788191755< * unaffected
Red Hat Red Hat Quay 3.16 1789563753< * unaffected
Red Hat Red Hat Quay 3.9 1788595574< * unaffected
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I. Basic Information for CVE-2026-18255

Vulnerability Information
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Vulnerability Title
Quay: quay: global read-only superuser can view robot account tokens
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Quay. A user configured in GLOBAL_READONLY_SUPER_USERS is able to view robot account tokens for repositories they are not a member of, allowing an attacker with read-only superuser privileges to impersonate any robot account.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Quay 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Quay是美国Red Hat公司开源的一款分布式容器镜像仓库,它主要用于构建、分布和部署容器。 Red Hat Quay存在授权问题漏洞，该漏洞源于GLOBAL_READONLY_SUPER_USERS配置用户能够查看非其所属仓库的机器人账户令牌，导致具有只读超级用户权限的攻击者可以冒充任何机器人账户。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Quay 3.10 1788561841 ~ * cpe:/a:redhat:quay:3.10::el8
Red Hat Red Hat Quay 3.12 1788594376 ~ * cpe:/a:redhat:quay:3.12::el8
Red Hat Red Hat Quay 3.14 1788593843 ~ * cpe:/a:redhat:quay:3.14::el8
Red Hat Red Hat Quay 3.15 1788191755 ~ * cpe:/a:redhat:quay:3.15::el8
Red Hat Red Hat Quay 3.16 1789563753 ~ * cpe:/a:redhat:quay:3.16::el9
Red Hat Red Hat Quay 3.9 1788595574 ~ * cpe:/a:redhat:quay:3.9::el8

II. Public POCs for CVE-2026-18255

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III. Intelligence Information for CVE-2026-18255

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Vendor Advisories for CVE-2026-18255 (8)

Same Patch Batch · Red Hat · 2026-07-29 · 4 CVEs total

CVE-2026-18220 7.8 HIGH Binutils: binutils: out-of-bounds write in bfd dlx elf backend relocation processing
CVE-2026-18207 6.5 MEDIUM Keycloak-services: keycloak-services: client policy source-group condition bypass via dupl
CVE-2026-18201 5.5 MEDIUM Keycloak-services: keycloak-services: generic identity-provider creation can bind brokers

IV. Related Vulnerabilities

Same product: Red Hat Quay 3.10
Same vendor: Red Hat
Same weakness: CWE-863

V. Comments for CVE-2026-18255

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