CVE-2026-48513 MessagePack-CSharp: DynamicUnionResolver generated deserializers miss depth enforcement

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, runtime-generated union deserializers emitted by DynamicUnionResolver do not call MessagePackSecurity.DepthStepref reader and do not decrement reader.Depth around recursive deserialization and skip paths. This means...

CVE-2026-48513 MessagePack-CSharp: DynamicUnionResolver generated deserializers miss depth enforcement

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, runtime-generated union deserializers emitted by DynamicUnionResolver do not call MessagePackSecurity.DepthStepref reader and do not decrement reader.Depth around recursive deserialization and skip paths. This means...

CVE-2026-56321 Capgo - Missing Authentication Middleware on GET /private/role_bindings Endpoint

Capgo backend Supabase edge functions before 12.128.2 does not apply the global authentication middleware to the GET /private/rolebindings/:orgid endpoint, unlike the POST and DELETE rolebindings routes, so unauthenticated requests reach the handler instead of being rejected at the middleware...

CVE-2026-56321

Capgo (backend Supabase edge functions) before 12.128.2 fails to apply the global authentication middleware to GET /private/role_bindings/:org_id, unlike POST/DELETE for the same resource. Unaunthenticated requests reach the handler instead of middleware rejection, but the handler still performs ...

CVE-2026-56306 Capgo - Subkey Enforcement Bypass via x-limited-key-id Header Parsing

Capgo before 12.128.2 contains a weak parsing vulnerability in the x-limited-key-id header that allows attackers to bypass subkey enforcement by submitting malformed values, zero, or duplicate headers that result in NaN or falsy values. Remote attackers can manipulate the x-limited-key-id header ...

CVE-2026-56306

Capgo before 12.128.2 contains a weak parsing vulnerability in the x-limited-key-id header that allows attackers to bypass subkey enforcement by submitting malformed values, zero, or duplicate headers that result in NaN or falsy values. Remote attackers can manipulate the x-limited-key-id header ...

CVE-2026-56306 Capgo - Subkey Enforcement Bypass via x-limited-key-id Header Parsing

Capgo before 12.128.2 contains a weak parsing vulnerability in the x-limited-key-id header that allows attackers to bypass subkey enforcement by submitting malformed values, zero, or duplicate headers that result in NaN or falsy values. Remote attackers can manipulate the x-limited-key-id header ...

CVE-2026-56306 Capgo - Subkey Enforcement Bypass via x-limited-key-id Header Parsing

Capgo before 12.128.2 contains a weak parsing vulnerability in the x-limited-key-id header that allows attackers to bypass subkey enforcement by submitting malformed values, zero, or duplicate headers that result in NaN or falsy values. Remote attackers can manipulate the x-limited-key-id header ...

CVE-2026-56255 Capgo - Denial of Service via Unlimited Demo App Creation

Capgo before 12.128.2 contains a denial of service vulnerability in the POST /app/demo endpoint that allows authenticated users with org write permissions to create unlimited demo applications without rate limiting or quota enforcement. Attackers can repeatedly invoke this endpoint to generate...

GHSA-G5VR-6PGG-74QV Mattermost doesn't enforce bot-specific permission checks on the user active status endpoint

Mattermost versions 11.7.x = 11.7.0, 10.11.x = 10.11.17 fail to enforce bot-specific permission checks on the user active status endpoint, which allows a User Manager with user management write access but no Integrations access to deactivate bot accounts via the PUT /api/v4/users/id/active API...

CVE-2026-56425

The Azure Active Directory AAD authentication implementation contained multiple weaknesses in its OAuth 2.0 authorization flow that could allow attackers to bypass important security guarantees provided by the protocol. The application used the PHP session identifier sessionid as the OAuth state...

CVE-2026-56422

Multiple MISP core controllers and model capture paths accepted client-controlled request fields such as primary keys id and ownership/scope foreign keys eventid, orgid, userid, sharinggroupid, galaxyclusteruuid, organisationuuid, and related nested object identifiers without consistently...

On-Premises API Security on Kubernetes: What It Actually Looks Like in Practice

Let’s Talk About Where Your APIs Actually Run Quick answer: On-premises API security keeps API discovery, detection, and enforcement inside your own perimeter instead of a third-party cloud—the model regulated industries need. Deploying it natively on Kubernetes sidecar sensors → a discovery...

kernel: selinux: fix overlayfs mmap() and mprotect() access checks

A flaw was found in the Linux kernel's SELinux security module when handling overlayfs. The existing security model for overlayfs does not properly enforce access controls for mmap and mprotect operations. This oversight could allow a local attacker to bypass intended security policies, potential...

CVE-2026-12027

The following flaw was identified in the Chromium browser: Insufficient policy enforcement Headless. Upstream bugs: https://code.google.com/p/chromium/issues/detail?id=517517155...

CVE-2026-12024

The following flaw was identified in the Chromium browser: Insufficient policy enforcement DevTools. Upstream bugs: https://code.google.com/p/chromium/issues/detail?id=517086161...

PT-2026-56649

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 150.0.7871.115 Description Insufficient policy enforcement in the Navigation component allows a remote attacker to bypass site isolation by using a crafted HTML page. Site isolation is a security feature that...

PT-2026-51309

The Azure Active Directory AAD authentication implementation contained multiple weaknesses in its OAuth 2.0 authorization flow that could allow attackers to bypass important security guarantees provided by the protocol. The application used the PHP session identifier session id as the OAuth state...

PT-2026-51407

Name of the Vulnerable Software and Affected Versions Capgo versions prior to 12.128.2 Description A weak parsing issue exists in the x-limited-key-id header. Remote attackers can bypass subkey enforcement by submitting duplicate headers, zero, or malformed values that result in falsy values or N...

PT-2026-51397

Name of the Vulnerable Software and Affected Versions MessagePack for C versions prior to 2.5.301 MessagePack for C versions prior to 3.1.7 Description Runtime-generated union deserializers emitted by DynamicUnionResolver fail to call MessagePackSecurity.DepthStepref reader and do not decrement...