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...

CLSA-2026-1779181743 pyOpenSSL: Fix of CVE-2026-27448

CVE-2026-27448: fix fail-open in settlsextservernamecallback when callback raises exception...

Security Bulletin: Multiple Vulnerabilities in pyOpenSSL bundled with IBM Fusion, IBM Fusion HCI, and IBM Fusion Data Cataloging

Summary IBM Fusion, IBM Fusion HCI, and IBM Fusion Data Cataloging include the pyOpenSSL library, which is susceptible to a critical buffer overflow and a "fail-open" security bypass. A classic buffer overflow vulnerability exists when a user-provided cookie generation callback returns a value...

CVE-2026-41377

OpenClaw before 2026.3.31 contains a fail-open vulnerability in the plugin installation flow where security scan failures do not block installation. Attackers can exploit scan failures to install untrusted plugins when operators proceed despite visible scan warnings...

CVE-2026-41377

OpenClaw OpenClaw before 2026.3.31 has a fail-open vulnerability in the plugin installation flow: security scan failures do not block installation, allowing the possibility to install untrusted plugins when operators proceed after visible scan warnings. Affected product: openclaw (npm). Vulnerabl...

CVE-2026-41377 OpenClaw < 2026.3.31 - Fail-Open Security Scan Bypass in Plugin Installation

OpenClaw before 2026.3.31 contains a fail-open vulnerability in the plugin installation flow where security scan failures do not block installation. Attackers can exploit scan failures to install untrusted plugins when operators proceed despite visible scan warnings...

PT-2026-35762

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.3.31 Description A fail-open issue exists in the plugin installation flow where security scan failures do not block the installation process. This allows attackers to install untrusted plugins if operators choos...

GHSA-J2Q8-XX3Q-8FQH Apache Storm's Improper Handling of TLS Client Authentication Failure Leads to Anonymous Principal Assignment

Improper Handling of TLS Client Authentication Failure Leading to Anonymous Principal Assignment in Apache Storm Versions Affected: up to 2.8.7 Description: When TLS transport is enabled in Apache Storm without requiring client certificate authentication the default configuration, the...

CVE-2026-40343

free5GC UDR is the user data repository UDR for free5GC, an an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.2, a fail-open request handling flaw in the UDR service causes the /nudr-dr/v2/policy-data/subs-to-notify POST handler to continue...

CVE-2026-40343

free5GC UDR is the user data repository UDR for free5GC, an an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.2, a fail-open request handling flaw in the UDR service causes the /nudr-dr/v2/policy-data/subs-to-notify POST handler to continue...

CVE-2026-40343 free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPost allows unintended subscription creation

free5GC UDR is the user data repository UDR for free5GC, an an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.2, a fail-open request handling flaw in the UDR service causes the /nudr-dr/v2/policy-data/subs-to-notify POST handler to continue...

CVE-2026-40343 free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPost allows unintended subscription creation

free5GC UDR is the user data repository UDR for free5GC, an an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.2, a fail-open request handling flaw in the UDR service causes the /nudr-dr/v2/policy-data/subs-to-notify POST handler to continue...

GHSA-JWCH-W7WH-GQJM free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPost allows unintended subscription creation

Summary A fail-open request handling flaw in the UDR service causes the /nudr-dr/v2/policy-data/subs-to-notify POST handler to continue processing requests even after request body retrieval or deserialization errors. This may allow unintended creation of Policy Data notification subscriptions wit...

EUVD-2026-24555

free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPost allows unintended subscription creation...

PT-2026-34214

Name of the Vulnerable Software and Affected Versions free5GC UDR versions prior to 1.4.3 Description A fail-open request handling flaw exists in the UDR service. The POST handler for the endpoint '/nudr-dr/v2/policy-data/subs-to-notify' continues to process requests even after encountering error...

CVE-2026-40249

free5GC is an open-source implementation of the 5G core network. In versions 4.2.1 and below of the UDR service, the PUT handler for updating Policy Data notification subscriptions at /nudr-dr/v2/policy-data/subs-to-notify/subsId does not return after request body retrieval or deserialization...

CVE-2026-40249

free5GC is an open-source implementation of the 5G core network. In versions 4.2.1 and below of the UDR service, the PUT handler for updating Policy Data notification subscriptions at /nudr-dr/v2/policy-data/subs-to-notify/subsId does not return after request body retrieval or deserialization...

CVE-2026-40249

CVE-2026-40249 affects free5GC UDR (versions 4.2.1 and earlier). The PUT handler for /nudr-dr/v2/policy-data/subs-to-notify/{subsId} may continue processing after request body read or deserialization errors, invoking the processor with an uninitialized/partially initialized PolicyDataSubscription...

CVE-2026-40249 free5gc UDR fail-open request handling in PolicyDataSubsToNotifySubsIdPut may allow unintended subscription updates after input errors

free5GC is an open-source implementation of the 5G core network. In versions 4.2.1 and below of the UDR service, the PUT handler for updating Policy Data notification subscriptions at /nudr-dr/v2/policy-data/subs-to-notify/subsId does not return after request body retrieval or deserialization...

free5gc UDR fail-open request handling in PolicyDataSubsToNotifySubsIdPut may allow unintended subscription updates after input errors

Summary A fail-open request handling flaw in the UDR service causes the /nudr-dr/v2/policy-data/subs-to-notify/subsId PUT handler to continue processing requests even after request body retrieval or deserialization errors. This may allow unintended modification of existing Policy Data notificatio...