GHSA-2V5F-5R6W-P67R MCP Registry: OCI validator skips ownership check on upstream rate limits

OCI ownership validation fails open on upstream rate limits, allowing attacker to claim arbitrary public OCI images under their own namespace Severity: Low re-scored post-triage; see Maintainer triage note below Affected: modelcontextprotocol/registry main branch at commit fe0cb3b current HEAD as...

CVE-2026-45781

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.9, OCI ownership validation skips label-match check when upstream OCI registry returns HTTP 429, letting any authenticated publisher bind their io.github./ namespace to OCI images the...

EUVD-2026-30239

GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with control of a virtual registry upstream to make requests to internal hosts due to improper validation...

EUVD-2026-20517

A flaw was found in Red Hat Quay's Proxy Cache configuration feature. When an organization administrator configures an upstream registry for proxy caching, Quay makes a network connection to the specified registry hostname without verifying that it points to a legitimate external service. An...

CVE-2026-32591

A flaw was found in Red Hat Quay's Proxy Cache configuration feature. When an organization administrator configures an upstream registry for proxy caching, Quay makes a network connection to the specified registry hostname without verifying that it points to a legitimate external service. An...

CVE-2026-32591

The CVE-2026-32591 issue affects Red Hat Quay’s Proxy Cache feature. When an organization administrator configures an upstream registry for proxy caching, Quay opens a network connection to the specified registry hostname without validating that it points to a legitimate external service. An atta...

CVE-2026-32591 Mirror-registry: quay: server-side request forgery in proxy cache upstream registry configuration

A flaw was found in Red Hat Quay's Proxy Cache configuration feature. When an organization administrator configures an upstream registry for proxy caching, Quay makes a network connection to the specified registry hostname without verifying that it points to a legitimate external service. An...

Red Hat Quay 代码问题漏洞

Red Hat Quay is a distributed container image repository provided by the American company Red Hat. It is primarily used for building, distributing, and deploying containers. Red Hat Quay has code-related vulnerabilities. These vulnerabilities stem from the Proxy Cache configuration feature, which...

PT-2026-31343

Name of the Vulnerable Software and Affected Versions Red Hat Quay affected versions not specified Description A flaw exists in Red Hat Quay's Proxy Cache configuration feature. When an organization administrator configures an upstream registry for proxy caching, Quay establishes a network...

CVE-2026-33540

A flaw was found in Distribution, a toolkit for managing container content. When operating in pull-through cache mode, Distribution incorrectly processes authentication challenges from an upstream registry. An attacker controlling the upstream registry, or positioned as a Man-in-the-Middle MitM,...

Distribution affected by pull-through cache credential exfiltration via www-authenticate bearer realm

hi guys, commit: 40594bd98e6d6ed993b5c6021c93fdf96d2e5851 as-of 2026-01-31 contact: GitHub Security Advisory https://github.com/distribution/distribution/security/advisories/new summary in pull-through cache mode, distribution discovers token auth endpoints by parsing WWW-Authenticate challenges...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the process that parses WWW-Authenticate challenges from an upstream registry. An attacker can obtain upstream credentials by manipulating the bearer realm URL to redirect authentication requests to a...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the process that parses WWW-Authenticate challenges from an upstream registry. An attacker can obtain upstream credentials by manipulating the bearer realm URL to redirect authentication requests to a...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the process that parses WWW-Authenticate challenges from an upstream registry. An attacker can obtain upstream credentials by manipulating the bearer realm URL to redirect authentication requests to a...