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CISA Warns of Critical GitLab Vulnerability Exploited in Attacks
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Fusion42 · 13 September 2026 · Fusion42 review
CISA has added a critical unauthenticated path traversal vulnerability in GitLab's repository commits API to its Known Exploited Vulnerabilities catalog, urging urgent remediation by September 14, 2026, due to active exploitation and high risk to software supply chains.
This Wire brief sits within Fusion42's coverage of Cybersecurity, and 3 sources have reported it between 12 Sep 2026 and 14 Sep 2026.
◆ ◆ The Wire takeaway
You must urgently patch all GitLab instances exposed to the internet or face regulatory consequences and elevated breach risk. This vulnerability opens a direct path into software supply chains, making your attacks potentially catastrophic.
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3 sources · first reported 12 Sep 2026 · latest 14 Sep 2026
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