What are the critical ShareFile vulnerabilities CVE-2026-2699 and CVE-2026-2701?

They're an EAR flaw for unauth config access and arbitrary file upload for RCE, chainable without login.

Is my ShareFile instance safe from unauthenticated RCE?

Update to 5.12.4+ or 6.x; older versions are at high risk if exposed.

How do ShareFile flaws lead to data exfiltration?

Attackers reconfig zones to attacker S3, syncing victim files outbound.

ShareFile's Double Flaw: Unauthenticated RCE via Config Hijack and Web Shell Drop

What if your secure file-sharing platform handed attackers the keys to your network—without even asking for a password? Two critical ShareFile flaws make it terrifyingly possible.

Threat Digest Apr 03, 2026 3 min read 10 views

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Diagram showing ShareFile vulnerability chain from redirect bypass to RCE web shell

⚡ Key Takeaways

Two flaws (CVE-2026-2699 EAR, CVE-2026-2701 upload) chain for unauthenticated RCE on ShareFile. 𝕏
Attackers hijack Storage Zones to exfil files or drop web shells in webroots. 𝕏
Patch to 5.12.4+; highlights risks in hybrid on-prem file-sharing architectures. 𝕏

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#CVE-2026-2699 #CVE-2026-2701 #ShareFile vulnerabilities #unauthenticated RCE

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Originally reported by SecurityWeek

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