CVE-2026-41103

Critical

Description

Incorrect implementation of authentication algorithm in Microsoft SSO Plugin for Jira & Confluence allows an unauthorized attacker to elevate privileges over a network.

SeverityCritical
CVSS9.1
Exploit probability—
ProductMicrosoft Confluence Saml Sso
PublishedMay 12, 2026
First seenMay 12, 2026
Weakness typeCWE-303CWE-303

How to fix

Update
  • microsoft confluence_saml_sso7.4.0 or later
  • microsoft jira_saml_sso1.3.3 or later

Affected products

ProductAffected versionsFixed in
microsoft confluence_saml_ssov < 7.4.07.4.0
microsoft jira_saml_ssov < 1.3.31.3.3

Check your version

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