Critical Path Traversal in Atlassian Data Center Exposes Development Infrastructure
Critical Path Traversal in Atlassian Data Center Exposes Development Infrastructure The disclosure of CVE-2026-21589 on October 5, 2026, highlights a systemic fragility in the modern development stack. This critical path traversal vulnerability, carrying a CVSS 4.0 score of 9.3, affects eight self-hosted Atlassian Data Center products. While the vulnerability does not grant remote code execution…