PT-2026-79526

Name of the Vulnerable Software and Affected Versions JoomGallery versions prior to 4.3.1 Description An unauthenticated access control bypass exists in the category JSON view. While the HTML view correctly enforces password protection for gallery categories, the JSON view fails to perform this...

Linux Distros Unpatched Vulnerability : CVE-2026-66393

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NLTK versions before 3.9.4 contain an unbounded recursion vulnerability in JSONTaggedDecoder.decodeobj that allows attackers to cause denial of service by...

json-flattener:UnflattenFuzzer: Security exception in com.github.wnameless.json.unflattener.JsonUnflattener.unflattenArray

Project: https://github.com/wnameless/json-flattener.git Detailed Report: https://oss-fuzz.com/testcase?key=5123059544293376 Project: json-flattener Fuzzing Engine: libFuzzer Fuzz Target: UnflattenFuzzer Job Type: libfuzzerasanjson-flattener Platform Id: linux Crash Type: Security exception Crash...

mcpsnoop v0.19.0

Wireshark for MCP. A transparent proxy that shows every real tool call between your AI client and your MCP servers, live in your terminal. The problem The official MCP Inspector connects as its own client, so it never sees what your client Cursor, Claude Code, Codex actually sends your server. An...

json-flattener:UnflattenFuzzer: Security exception in com.github.wnameless.json.unflattener.JsonUnflattener.unflattenArray

Project: https://github.com/wnameless/json-flattener.git Detailed Report: https://oss-fuzz.com/testcase?key=4518232036540416 Project: json-flattener Fuzzing Engine: libFuzzer Fuzz Target: UnflattenFuzzer Job Type: libfuzzerasanjson-flattener Platform Id: linux Crash Type: Security exception Crash...

CVE-2026-77415

JSONata (a JSON query and transformation language) is vulnerable to arbitrary code execution in versions prior to 1.8.8 and 2.2.1 . An attacker can craft JSONata expressions that chain multiple object-integrity weaknesses—overwriting $clone, exposing internal functions via $merge.*, replacing pro...

Unleash: Unauthenticated single-request DoS via OpenAPI validation error formatter

Summary An unauthenticated POST to any OpenAPI-validated endpoint, including the anonymous POST /edge/validate and POST /edge/issue-token, crashes the entire Unleash server with one request body of deeply-nested JSON. When request-body validation fails, Unleash builds the error message by calling...

GHSA-R5PQ-6CHH-J3XP Unleash: Unauthenticated single-request DoS via OpenAPI validation error formatter

Summary An unauthenticated POST to any OpenAPI-validated endpoint, including the anonymous POST /edge/validate and POST /edge/issue-token, crashes the entire Unleash server with one request body of deeply-nested JSON. When request-body validation fails, Unleash builds the error message by calling...

CVE-2026-67217

A flaw was found in cJSON. The library applies RFC 6902 JSON Patch operations non-atomically. A remote attacker, by supplying a specially crafted patch document e.g., a 'replace' operation missing its value or a 'move' operation with an unresolved destination, can cause the existing target data t...

CVE-2026-67215

A flaw was found in cJSON. A remote attacker can exploit this vulnerability by applying a specially crafted JSON Patch document that causes uncontrolled recursion, leading to stack exhaustion. This can result in a denial of service DoS by crashing the application. Mitigation To reduce the risk of...

EUVD-2026-64041

Unleash is an open-source feature management platform. Prior to 7.5.2, 7.6.5, and 8.0.2, the shared OpenAPI validation error path in src/lib/error/bad-data-error.ts passes a raw request value from lodash.get to JSON.stringify in genericErrorMessage and fromOpenApiValidationErrors without guarding...

CVE-2026-63462 Unleash: Unauthenticated single-request DoS via OpenAPI validation error formatter

Unleash is an open-source feature management platform. Prior to 7.5.2, 7.6.5, and 8.0.2, the shared OpenAPI validation error path in src/lib/error/bad-data-error.ts passes a raw request value from lodash.get to JSON.stringify in genericErrorMessage and fromOpenApiValidationErrors without guarding...

BIT-DISCOURSE-2026-53960 Discourse: Hidden first-post excerpt is emitted in Q&A schema JSON-LD

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, hidden or otherwise unviewable first-post content was leaked as an excerpt in the publicly-served Q&A QAPage JSON-LD structured data, exposing it to any unauthenticated visitor and to search-engi...

WordPress JSON Options plugin <= 0.0.4 - Unauthenticated Arbitrary Options Update vulnerability

Unauthenticated Arbitrary Options Update vulnerability discovered by Khaled Alenazi Nxploited in WordPress Plugin JSON Options versions = 0.0.4...

Exploit for SQL Injection in Sequelizejs Sequelize

CVE-2026-30951 Sequelize JSON Cast SQL Injection ★ CVE-2026...

PT-2026-80307

Summary An unauthenticated POST to any OpenAPI-validated endpoint, including the anonymous POST /edge/validate and POST /edge/issue-token, crashes the entire Unleash server with one request body of deeply-nested JSON. When request-body validation fails, Unleash builds the error message by calling...

PT-2026-79845

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, hidden or otherwise unviewable first-post content was leaked as an excerpt in the publicly-served Q&A QAPage JSON-LD structured data, exposing it to any unauthenticated visitor and to search-engi...

PT-2026-79422

Name of the Vulnerable Software and Affected Versions Unleash versions prior to 7.5.2 Unleash versions prior to 7.6.5 Unleash versions prior to 8.0.2 Description An unauthenticated attacker can cause a complete service outage by sending a deeply nested JSON value approximately 10 KB to...

Apache Struts 6.x < 6.11.0 / 7.x < 7.3.0 Multiple Vulnerabilities (S2-072) (S2-074)

The version of Apache Struts installed on the remote host is 6.0.0 prior to 6.11.0, or 7.0.0 prior to 7.3.0. It is, therefore, affected by multiple denial of service vulnerabilities, as referenced in the S2-072 and S2-074 advisories: - When an application is configured to populate actions from a...

Kibana 9.2.x < 9.4.5 Incorrect Authorization (ESA-2026-82)

The version of Kibana installed on the remote host is 9.2.x prior to 9.4.5. It is, therefore, affected by a vulnerability as referenced in the ESA-2026-82 advisory. - Kibana Agent Builder A2A JSON-RPC API endpoint derives the identifier of a stored conversation from a user-supplied input, and the...