PT-2026-4358 · Atlassian · Crowd Server+1

Security Metrics Bot · Published 2026-01-23 · Updated 2026-01-28 · CVE-2026-21569

Positive Technologies (AI Summary)

CVSS v3.1

7.9

High

Base vector

AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:H

Name of the Vulnerable Software and Affected Versions Crowd Data Center and Server versions 7.1.0 through 7.1.2

Description An authenticated attacker can access local and remote content due to an XML External Entity Injection (XXE) issue. This can have a high impact on confidentiality and availability. The issue was reported through an internal program.

Recommendations Upgrade to a release greater than or equal to Crowd Data Center and Server version 7.1.3.

Fix

XXE

Weakness Enumeration

CWE-611

Related Identifiers

CVE-2026-21569

Affected Products

Crowd

Crowd Server

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2026-21569 · Security Note
• https://osv.dev/vulnerability/CVE-2026-21569 · Vendor Advisory
• https://jira.atlassian.com/browse/CWD-6453 · Vendor Advisory
• https://confluence.atlassian.com/pages/viewpage.action?pageId=1712324819 · Vendor Advisory
• https://t.me/cveNotify/150064 · Telegram Post
• https://t.me/CVEtracker/43091 · Telegram Post
• https://t.me/cveNotify/150149 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2016463604174782664 · Twitter Post
• https://twitter.com/TweetThreatNews/status/2014631747804111289 · Twitter Post
• https://twitter.com/CVEnew/status/2016319512530825456 · Twitter Post