PT-2026-107542

Name of the Vulnerable Software and Affected Versions @backstage/plugin-scaffolder-backend-module-confluence-to-markdown versions prior to 0.3.25 Description Improper repository path validation in a scaffolder backend module allows an authenticated user who can execute an affected template and...

PT-2026-107534

Name of the Vulnerable Software and Affected Versions @backstage/plugin-scaffolder-backend-module-confluence-to-markdown versions prior to 0.3.25 Description Improper input validation in the Confluence to Markdown scaffolder module allows an attacker to influence file write operations during...

VulnCheck KEV: CVE-2026-21589

Multiple Atlassian products Bitbucket Data Center ,Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center, Crowd Data Center, Crucible and Fisheye contain a files or directories accessible to external parties vulnerability which could allow an...

Exploit for CVE-2026-21589

CVE-2026-21589 - Atlassian Data Center Una...

Vulnerability handling in Atlassian Data Center products

The vulnerability exists in several products within the Atlassian Data Center platform, including Jira Software, Jira Service Management, Confluence, Bitbucket, Bamboo, Crowd, Crucible, and Fisheye. The vulnerability is an Arbitrary File Access issue, allowing unauthorized attackers to access...

Exploit for CVE-2026-21589

CVE-2026-21589 Pre-auth arbitrary file read in Atlassian DC p...

Exploit for CVE-2026-21589

CVE-2026-21589 - Jira/Confluence/Bitbucket Arbitrary File Read...

Critical Atlassian Flaw Lets Unauthenticated Attackers Read Known Files Across 8 Products

A critical flaw in 8 Atlassian Data Center products, which customers host themselves, allows an attacker with no login access to read specific files in each product's web application root directory. The attacker must already know a file's exact name and path and cannot list what the directory...

EUVD-2026-92807

h3. Summary This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center. Crowd Data Center, Crucible and Fisheye. This Arbitrary File Access vulnerability allows an unauthenticated attacker to access...

CVE-2026-21589

This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center. Crowd Data Center, Crucible and Fisheye. This Arbitrary File Access vulnerability allows an unauthenticated attacker to access specific fil...

CVE-2026-21589

This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center. Crowd Data Center, Crucible and Fisheye. This Arbitrary File Access vulnerability allows an unauthenticated attacker to access specific fil...

CVE-2026-21589

This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center. Crowd Data Center, Crucible and Fisheye. This Arbitrary File Access vulnerability allows an unauthenticated attacker to access specific fil...

CVE-2026-21589

CVE-2026-21589 is a critical (CVSS 4.0: 9.3) pre-authentication arbitrary file read vulnerability affecting multiple Atlassian Data Center products, including Jira, Confluence, Bitbucket, Bamboo, Crowd, Crucible, and Fisheye. The root cause lies in the shared atlassian-plugins-webresource library...

Confluence Widget Connector SSTI (CVE-2019-3396)

Exploits CVE-2019-3396 in Confluence Server: Widget Connector macro template path traversal reads local files and enables Velocity SSTI RCE. !/usr/bin/env python3 -- coding: utf-8 -- """Confluence Widget Connector SSTI / path traversal CVE-2019-3396.""" import json import re from kittysploit impo...

Atlassian Jira Service Management Data Center and Server < 5.12.40 / 10.3.x < 10.3.26 / 11.3.x < 11.3.12 (JSDSERVER-16809)

The version of Atlassian Jira Service Management Data Center and Server Jira Service Desk running on the remote host is affected by a vulnerability as referenced in the JSDSERVER-16809 advisory. - This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Da...

Atlassian Confluence < 9.2.26 / 10.2.x < 10.2.19 (CONFSERVER-104488)

The version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in the CONFSERVER-104488 advisory. - h3. Summary This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data...

Atlassian Jira < 9.12.40 / 10.3.x < 10.3.26 / 11.3.x < 11.3.12 (JRASERVER-79546)

The version of Atlassian Jira Server running on the remote host is affected by a vulnerability as referenced in the JRASERVER-79546 advisory. - h3. Summary This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center,...

CVE-2026-21589: Files or Directories Accessible to External Parties

This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center. Crowd Data Center, Crucible and Fisheye. This Arbitrary File Access vulnerability allows an unauthenticated attacker to access specific fil...

PT-2026-106255

Name of the Vulnerable Software and Affected Versions Bitbucket Data Center versions 4.6.0 through 9.4.25, 10.2.7, and 10.5.0 Confluence Data Center versions 5.10.0 through 9.2.25 and 10.2.18 Crowd Data Center versions 2.11.0 through 6.3.6, 7.0.2, 7.1.6, and 7.2.3 Jira Software Data Center versio...

MCP Atlassian: Arbitrary server-local file upload to Jira/Confluence attachments via unrestricted file_path parameters

SummaryThe Jira and Confluence attachment upload tools accept caller-controlled file path parameters and read those paths from the MCP server's local filesystem before uploading the file as an Atlassian attachment.In local stdio deployments, this can expose files readable by the user's MCP proces...