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CVE-2026-16910— Quay: ssrf in red hat quay notification webhooks (slack/generic)

CVSS 5.5 · Medium EPSS 0.21% · P12

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProductVersion RangeStatus
Red HatRed Hat OpenShift Update Serviceanyaffected
Red HatRed Hat Quay 3anyunknown
anyaffected
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I. Basic Information for CVE-2026-16910

Vulnerability Information
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Vulnerability Title
Quay: ssrf in red hat quay notification webhooks (slack/generic)
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Red Hat Quay's notification webhook feature. The Slack and generic webhook notification handlers accept user-supplied URLs without SSRF validation, allowing a repository administrator to make the Quay worker issue POST requests to internal network addresses or cloud infrastructure endpoints that should not be reachable from the application.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Quay 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Quay 3是美国Red Hat公司的一款容器镜像存储和分发平台。 Red Hat Quay存在服务端请求伪造漏洞，该漏洞源于通知webhook功能中的Slack和通用webhook通知处理器接受用户提供的URL而未进行SSRF验证，导致存储库管理员可以使Quay工作进程向内部网络地址或云基础设施端点发出POST请求。
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

VendorProductAffected VersionsCPESubscribe
Red HatRed Hat OpenShift Update Service-cpe:/a:redhat:openshift_update_service:5
Red HatRed Hat Quay 3-cpe:/a:redhat:quay:3
Red HatRed Hat Quay 3-cpe:/a:redhat:quay:3

II. Public POCs for CVE-2026-16910

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III. Intelligence Information for CVE-2026-16910

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Vendor Advisories for CVE-2026-16910 (2)

Same Patch Batch · Red Hat · 2026-07-24 · 10 CVEs total

CVE-2026-171078.5 HIGHCluster-proxy: cluster-proxy: impersonation header injection in service-proxy grants clust
CVE-2026-663376.5 MEDIUMLibsoup: libsoup: heap buffer over-read via integer underflow in soup_filter_input_stream_
CVE-2026-663396.5 MEDIUMLibsoup: libsoup: proxy credentials leak to destination server via proxy-authorization hea
CVE-2026-170596.5 MEDIUMKeycloak-services: keycloak-services: information disclosure via role-users endpoint bypas
CVE-2026-170485.5 MEDIUMKeycloak-services: keycloak-services: vault-resolved rotated client secrets leaked via adm
CVE-2026-167435.5 MEDIUMAccountsservice: accountsservice: arbitrary file read via seticonfile for systemd-homed us
CVE-2026-167305.5 MEDIUMDbus-broker: dbus-broker: session bus denial of service via emfile during peer setup
CVE-2026-663385.4 MEDIUMLibsoup: libsoup: http request smuggling via permissive chunk-size parsing in soup_body_in
CVE-2026-170393.1 LOWPki-core: dogtag-pki: redhat-pki: pki-core: ca renewal request processing omits realm auth

IV. Related Vulnerabilities

Same product: Red Hat OpenShift Update Service
Same vendor: Red Hat
Same weakness: CWE-918

V. Comments for CVE-2026-16910

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