MCP Atlassian: OAuth fallback token storage writes plaintext access and refresh tokens with group-readable permissions

SummaryWhen OAuth tokens are saved, MCP Atlassian always writes a plaintext fallback copy under /.mcp-atlassian/oauth-.json. The fallback file is created with the process default umask rather than restrictive permissions. In this environment the file was created as mode 0664, exposing access and...

Security Bulletin: IBM webMethods BPM is vulnerable to a denial of service due to jackson-databind

Summary IBM webMethods BPM uses Jackson Databind to serialize and deserialize JSON data between BPM processes, REST APIs, and Java objects. Vulnerability Details CVEID:CVE-2026-59888 DESCRIPTION: jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson...

CVE-2026-103292

Ghost versions from 0.5.3 through versions prior to 6.50.0 fail to sanitize the data placed in the JSON-LD HTML tag emitted by the ghosthead helper. An authenticated user with limited privileges can inject unescaped content that is rendered as script in the published page, potentially leading to...

CVE-2026-103292 Ghost 0.5.3 before 6.50.0 Cross-Site Scripting via ghost_head

Ghost versions from 0.5.3 through versions prior to 6.50.0 fail to sanitize the data placed in the JSON-LD HTML tag emitted by the ghosthead helper. An authenticated user with limited privileges can inject unescaped content that is rendered as script in the published page, potentially leading to...

EUVD-2026-90685

Ghost versions from 0.5.3 through versions prior to 6.50.0 fail to sanitize the data placed in the JSON-LD HTML tag emitted by the ghosthead helper. An authenticated user with limited privileges can inject unescaped content that is rendered as script in the published page, potentially leading to...

Resource Allocation

com.github.java-json-tools, jackson-coreutils is vulnerable to resource allocation. The vulnerability is due to improper resource allocation in the TreePointer.tokensFromInput function of the JSON Pointer parser, which allows a remote attacker to exploit the parser and cause excessive resource...

CVE-2026-19807

The ByteCoreStack – MCP Connector for AI Tools plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.2.3 This is due to the wpupdateusermeta MCP tool in executetool gating writes solely with currentusercan'edituser', $uid — a check that WordPress core'...

CVE-2026-19807 ByteCoreStack <= 1.2.3 - Authenticated (Subscriber+) Privilege Escalation via wp_update_user_meta MCP Tool

The ByteCoreStack – MCP Connector for AI Tools plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.2.3 This is due to the wpupdateusermeta MCP tool in executetool gating writes solely with currentusercan'edituser', $uid — a check that WordPress core'...

CVE-2026-19807 ByteCoreStack <= 1.2.3 - Authenticated (Subscriber+) Privilege Escalation via wp_update_user_meta MCP Tool

The ByteCoreStack – MCP Connector for AI Tools plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.2.3 This is due to the wpupdateusermeta MCP tool in executetool gating writes solely with currentusercan'edituser', $uid — a check that WordPress core'...

CVE-2026-92245

The Simply Schedule Appointments plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.6.12.32 via the 'recursive' parameter. This makes it possible for unauthenticated attackers to extract customer PII — including names, email addresses, pho...

EUVD-2026-90464

The Simply Schedule Appointments plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.6.12.32 via the 'recursive' parameter. This makes it possible for unauthenticated attackers to extract customer PII — including names, email addresses, pho...

CLEANSTART-2026-KK56976 Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j API produces output that is not valid JSON

CVE-2026-49844 affects multiple packages. Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j API produces output that is not valid JSON. See references for individual vulnerability details...

CLEANSTART-2026-BR90501 non-blocking (asynchronous) JSON parser in jackson-core does not enforce the maxNumberLength constraint defined in StreamReadConstraints (default: 1000 characters)

Security vulnerability affects the apache-nifi package. The non-blocking asynchronous JSON parser in jackson-core does not enforce the maxNumberLength constraint defined in StreamReadConstraints default: 1000 characters...

PT-2026-105797

Impact For views that opt into state snapshots, the snapshot state json embedded in the client page was restored on reconnect as trusted view state with no integrity check. A client could edit the unsigned state json in their page and return it in the reconnect mount frame to inject arbitrary vie...

PT-2026-105890

Package pyjwt PyPI Affected versions tested & verified on: 2.13.0. Every version whose PyJWS. load translates only ValueError is affected Description PyJWS. looad jwt/api jws.py:337 splits the compact token, base64url decodes the header segment and hands it to json.loads before verify signature...

PT-2026-103966

🚨Critical - Authlib OpenID Discovery Cache Poisoning CVE-2026-104056 Authlib caches OIDC discovery JSON .well-known/openid-configuration without validating issuer/origin binding. By poisoning the cached discovery response, an attacker can swap authorization/token/jwks uri endpoints to...

PT-2026-103666

Name of the Vulnerable Software and Affected Versions Simply Schedule Appointments versions prior to 1.6.12.33 Description An issue exists that allows unauthenticated attackers to extract customer personally identifiable information PII, such as names, email addresses, phone numbers, and custom...

CVE-2026-103292: Improper Neutralization of Input During Web Page Generation

Ghost versions from 0.5.3 through versions prior to 6.50.0 fail to sanitize the data placed in the JSON-LD HTML tag emitted by the ghosthead helper. An authenticated user with limited privileges can inject unescaped content that is rendered as script in the published page, potentially leading to...

CVE-2026-104056: Insufficient Verification of Data Authenticity

Authlib version 1.7.2 and below contains a vulnerability where discovery JSON metadata is cached without validation or issuer-origin binding. This allows a poisoned discovery response to replace all endpoint values with attacker-controlled values rather than endpoint URLs that share the origin of...

CVE-2026-92245: Missing Authorization

The Simply Schedule Appointments plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.6.12.32 via the 'recursive' parameter. This makes it possible for unauthenticated attackers to extract customer PII — including names, email addresses, pho...