CVE-2026-48517 MessagePack-CSharp: Typeless deserialization type restrictions do not recurse into arrays or generic arguments

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, MessagePack-CSharp's typeless deserialization includes MessagePackSerializerOptions.ThrowIfDeserializingTypeIsDisallowedType as a safety check for dangerous types. The default implementation checks the outer type nam...

CVE-2026-48517 MessagePack-CSharp: Typeless deserialization type restrictions do not recurse into arrays or generic arguments

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, MessagePack-CSharp's typeless deserialization includes MessagePackSerializerOptions.ThrowIfDeserializingTypeIsDisallowedType as a safety check for dangerous types. The default implementation checks the outer type nam...

CVE-2026-54275

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, the serverhostname TLS SNI check can be bypassed when an existing connection is reused. If an application makes multiple requests to the same domain, but with different per-request serverhostname...

CVE-2026-54275 AIOHTTP: TLS Server Hostname Override Is Ignored When Reusing HTTPS Connections

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, the serverhostname TLS SNI check can be bypassed when an existing connection is reused. If an application makes multiple requests to the same domain, but with different per-request serverhostname...

CVE-2026-54275

CVE-2026-54275 (aiohttp) affects the aiohttp package prior to 3.14.1. The issue is a TLS server_hostname SNI check bypass that occurs when an existing connection is reused for multiple requests with different per-request server_hostname values. As a result, later requests to the same domain may r...

CVE-2026-41045

A time-to-check-time-of-use in polkit authentication of qSnapper before version 1.3.3 allowed a local attacker to bypass qSnappers authentication mechanism and operate e.g. as root user...

EUVD-2026-38259

A time-to-check-time-of-use in polkit authentication of qSnapper before version 1.3.3 allowed a local attacker to bypass qSnappers authentication mechanism and operate e.g. as root user...

CVE-2026-41045 Weak polkit authentication check in qSnapper

A time-to-check-time-of-use in polkit authentication of qSnapper before version 1.3.3 allowed a local attacker to bypass qSnappers authentication mechanism and operate e.g. as root user...

CVE-2026-56424

MISP core contained multiple broken access-control flaws where authorization checks were performed against the wrong entity, or where ownership/editability checks were missing on write paths. In affected subsystems, a lower-privileged authenticated user with the relevant feature permission could...

CVE-2026-56423

MISP Core contained broken access-control checks in the bulk deletion flows for Event Reports and Sharing Groups. The affected deleteSelection handlers authorized deletion using broad role-level permissions instead of validating authorization for each selected object. For Event Reports,...

CVE-2026-8074 Improper Permission Check Allows User Manager to Deactivate Bot Accounts

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-2026-56423

Summary: CVE-2026-56423 affects MISP Core where bulk deletion (Event Reports and Sharing Groups) used broad role permissions instead of per-object authorization checks, enabling instance-wide deletions by eligible users. What was vulnerable: EventReportsController::deleteSelection relied on the g...

EUVD-2026-38226

MISP Core contained broken access-control checks in the bulk deletion flows for Event Reports and Sharing Groups. The affected deleteSelection handlers authorized deletion using broad role-level permissions instead of validating authorization for each selected object. For Event Reports,...

CVE-2026-56423 MISP Core: Broken access control allows instance-wide unauthorized deletion of event reports and sharing groups via bulk deletion endpoints

MISP Core contained broken access-control checks in the bulk deletion flows for Event Reports and Sharing Groups. The affected deleteSelection handlers authorized deletion using broad role-level permissions instead of validating authorization for each selected object. For Event Reports,...

kernel: libceph: prevent potential out-of-bounds reads in handle_auth_done()

In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in handleauthdone Perform an explicit bounds check on payloadlen to avoid a possible out-of-bounds access in the callout. idryomov: changelog...

PT-2026-51307

Name of the Vulnerable Software and Affected Versions MISP Core affected versions not specified Description Broken access-control checks exist in the bulk deletion flows for Event Reports and Sharing Groups. The deleteSelection handlers authorized deletions using broad role-level permissions...

PT-2026-51308

Name of the Vulnerable Software and Affected Versions MISP core affected versions not specified Description Broken access-control flaws exist where authorization checks are performed against incorrect entities or ownership and editability checks are missing on write paths. This allows a...

PT-2026-51449

Name of the Vulnerable Software and Affected Versions Gogs versions prior to 0.14.3 Description An issue exists where webhooks follow redirects, allowing access to hostnames within localCIDRs Internet Protocol address ranges used for local networks. This leads to Server Side Request Forgery SSRF,...

Amazon Linux 2023 : libnetapi, libnetapi-devel, libsmbclient (ALAS2023-2026-1895)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1895 advisory. unauthenticated udp packet crashes AD DC nbt server CVE-2026-3238 Samba file servers and classic non-AD domain controllers offer theSamValidatePasswordChange and SamValidatePasswordReset RPC...

ALPINE-CVE-2026-56406

libexpat before 2.8.2 has an integer overflow in XMLParseBuffer because it lacked a check that was present in XMLParse...