PYSEC-2026-4080 MCP Atlassian: Arbitrary File Read & Exfiltration (Confused Deputy) in JIRA update_issue

Summary A critical Confused Deputy Arbitrary File Read & Exfiltration vulnerability in the Atlassian MCP server Python allows an AI agent to exfiltrate sensitive host files and environment secrets. By providing absolute system paths to the attachments parameter of the updateissue tool, an agent c...

PYSEC-2026-4090 MCP Atlassian: Arbitrary File Read via Upload Attachment Tools

Summary The upload attachment tools in both Confluence and Jira accept arbitrary file paths without path traversal validation. The uploadattachment methods read any file accessible to the server process and upload it to a Confluence page or Jira issue. Despite the existence of a validatesafepath...

PYSEC-2026-4086 MCP Atlassian: Arbitrary file read via confluence_upload_attachment allows exfiltration of server credentials

Summary Missing path validation in confluenceuploadattachment allows any authenticated MCP client to read arbitrary files from the server filesystem and exfiltrate their contents to Confluence. On Linux deployments, /proc/self/environ yields all runtime secrets in a single call. --- Details...

PYSEC-2026-4089 MCP Atlassian: Unauthenticated arbitrary local file read via upload_attachment file_path, chained with missing auth on streamable-http transport

Summary In the documented multi-user HTTP deployment --transport streamable-http with global operator Atlassian credentials, sooperset/mcp-atlassian exposes all tools to unauthenticated network clients, and the uploadattachment tool reads an attacker-supplied filepath with no path validation...

MCP Atlassian: Unauthenticated arbitrary local file read via upload_attachment file_path, chained with missing auth on streamable-http transport

SummaryIn the documented multi-user HTTP deployment --transport streamable-http with global operator Atlassian credentials, sooperset/mcp-atlassian exposes all tools to unauthenticated network clients, and the uploadattachment tool reads an attacker-supplied filepath with no path validation...

MPXJ: XXE Vulnerability in MerlinReader

ImpactMPXJ used the default configuration when creating a DocumentBuilder instance, which leaves doctype declarations enabled, when parsing the XML content of the ZTIMEINTERVALS column from a Merlin project SQLite file. This would allow a carefully crafted XML payload to read an arbitrary file...

PYSEC-2026-4107 MPXJ: XXE Vulnerability in MerlinReader

Impact MPXJ used the default configuration when creating a DocumentBuilder instance, which leaves doctype declarations enabled, when parsing the XML content of the ZTIMEINTERVALS column from a Merlin project SQLite file. This would allow a carefully crafted XML payload to read an arbitrary file...

GHSA-3JQQ-PW4J-PQCJ JupyterLab: Cross-site scripting (XSS) in JupyterLab via crafted language package (jupyterlab.json)

Description A language pack ships a Plural-Forms header saying how the language counts, for example nplurals=2; plural=n != 1;. JupyterLab turns that string into a function with new Function, so the header gets executed. The check that meant to keep it safe was a regular expression. The regex was...

CVE-2024-58388

Sharp and Toshiba Tec rebranded multifunction printers contain an unauthenticated local file inclusion vulnerability that allows remote attackers to read arbitrary files by manipulating the path parameter in the installedemanualdown.html endpoint. Attackers can supply directory traversal sequence...

GitPython: GitPython: Arbitrary file read via TagReference.create()

A flaw was found in GitPython. A remote attacker with low privileges can exploit a vulnerability in the TagReference.create function, where a positional reference parameter bypasses a security guard. This allows the attacker to supply a specially crafted reference value, such as --file=, to read...

CVE-2018-18778

CVE-2018-18778 - ACME minihttpd Arbitrary File Read CVE-2018-18778 is a security vulnerability affecting ACME minihttpd a lightweight web server. The vulnerability allows remote attackers to read arbitrary files on the server. It was publicly disclosed in October 2018 and impacts versions of...

CVE-2026-103263

Tornado before 6.5.9 contains a path traversal vulnerability in StaticFileHandler that follows symbolic links inside the static root without confirming the resolved target stays within it. When a symlink pointing outside the static directory exists inside it, unauthenticated attackers can request...

EUVD-2026-90762

Improper Restriction of XML External Entity Reference in the XSLT support extension camel-quarkus-support-xalan in Apache Camel Quarkus from 3.2.0 before 3.33.3 and from 3.34.0 before 3.40.0 on all platforms allows an attacker who supplies the XML document being transformed to read local files or...

CVE-2026-103276

Ghost versions before 6.20.0 are vulnerable to a file extension filtering bypass that allows unauthenticated attackers to read theme templates and metadata . The root cause is an insufficient validation of file extensions, which can be circumvented using URL encoding . This allows unauthorized ac...

CVE-2026-103276 Ghost before 6.20.0 File Read via URL Encoding Bypass

Ghost versions before 6.20.0 contain a file extension filtering bypass vulnerability that allows unauthenticated attackers to read theme templates and metadata. Attackers can use URL encoding to bypass extension validation and access sensitive theme files...

CVE-2026-103276 Ghost before 6.20.0 File Read via URL Encoding Bypass

Ghost versions before 6.20.0 contain a file extension filtering bypass vulnerability that allows unauthenticated attackers to read theme templates and metadata. Attackers can use URL encoding to bypass extension validation and access sensitive theme files...

CVE-2026-103276 Ghost before 6.20.0 File Read via URL Encoding Bypass

Ghost versions before 6.20.0 contain a file extension filtering bypass vulnerability that allows unauthenticated attackers to read theme templates and metadata. Attackers can use URL encoding to bypass extension validation and access sensitive theme files...

CVE-2025-41753

The object name of a dynamically created BACnet File Object is interpreted as a file path without sufficient validation. Because relative paths are not limited to the intended directory, an unauthenticated remote attacker can traverse outside of it and read or overwrite arbitrary files on the...

EUVD-2025-211020

The object name of a dynamically created BACnet File Object is interpreted as a file path without sufficient validation. Because relative paths are not limited to the intended directory, an unauthenticated remote attacker can traverse outside of it and read or overwrite arbitrary files on the...

EUVD-2026-90439

DeepWiki-Open through commit d92819a contains an unauthenticated arbitrary file read vulnerability in the GET /codemap/file endpoint via the repourl parameter. Attackers can supply a non-URL repourl value to bypass path containment checks and read any file accessible to the API process by...