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CVE-2026-74242— Quay: repository notification uuid idor in quay api

Quick assessment

Affected
Red Hat Red Hat OpenShift Update Service
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公司的一个容器镜像仓库管理组件。 Red Hat Quay存在授权问题漏洞，该漏洞源于对通知配置的授权验证不足，可能导致未授权信息泄露和通知服务被滥用。

CVSS 5.3 · Medium EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 3

VendorProduct Version RangeStatus
Red Hat Red Hat OpenShift Update Service any affected
Red Hat Red Hat Quay 3 any affected
any affected
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I. Basic Information for CVE-2026-74242

Vulnerability Information
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Vulnerability Title
Quay: repository notification uuid idor in quay api
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Red Hat Quay. An administrator of any repository, by knowing or guessing a target notification's Universally Unique Identifier (UUID), can read the notification configuration, including sensitive details like webhook URLs, Slack tokens, and email addresses. This vulnerability also allows them to trigger test notifications for another repository. This could lead to unauthorized information disclosure and potential misuse of notification services.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
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公司的一个容器镜像仓库管理组件。 Red Hat Quay存在授权问题漏洞，该漏洞源于对通知配置的授权验证不足，可能导致未授权信息泄露和通知服务被滥用。
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 OpenShift Update Service - cpe:/a:redhat:openshift_update_service:5
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-2026-74242

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III. Intelligence Information for CVE-2026-74242

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Vendor Advisories for CVE-2026-74242 (2)

Same Patch Batch · Red Hat · 2026-08-14 · 11 CVEs total

CVE-2026-58224 6.5 MEDIUM Samba: ctdb fails to do integrity checking of received packets
CVE-2026-74243 6.5 MEDIUM Quay: unauthenticated secscan notification endpoint in quay when psk is unset
CVE-2026-74244 5.9 MEDIUM Quay: stripe webhook accepts forged events without signature verification in quay
CVE-2026-74245 5.9 MEDIUM Quay: unauthenticated exported logs download in quay
CVE-2026-19617 5.5 MEDIUM Libdm: lvm2: libdm: denial of service via uncontrolled recursion in config parser
CVE-2026-74240 5.4 MEDIUM Quay: jwt claim validation bypasses in quay federated robot and sso authentication
CVE-2026-19879 5.3 MEDIUM Io.undertow/undertow: undertow: http response header integrity issue due to character trun
CVE-2026-74241 4.8 MEDIUM Quay: ldap referral filter injection in quay external ldap authentication
CVE-2026-13002 4.4 MEDIUM Dnsmasq: infinite loop dos in dnssec nsec/nsec3 type bitmap parsing
CVE-2026-74247 4.2 MEDIUM Quay: ssrf via build archive_url in quay build api

IV. Related Vulnerabilities

Same product: Red Hat OpenShift Update Service
Same vendor: Red Hat
Same weakness: CWE-639

V. Comments for CVE-2026-74242

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