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CVE-2026-73612 is a high-severity authorization bypass vulnerability in File Browser before version 2.63.22. The flaw arises because recursive copy, rename, and delete operations validate access only at the allowed parent directory level and fail to enforce path-based access rules on descendant files and subdirectories. As a result, an authenticated user who is permitted to operate on a parent directory can indirectly manipulate restricted child objects contained within it. This breaks rule-based isolation and allows unauthorized operations against files and directories that should remain inaccessible under configured access controls.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An authorization bypass vulnerability in File Browser where recursive copy, rename, and delete operations validate only the parent directory, enabling authenticated attackers to access or delete restricted descendant files and folders.
An authorization bypass vulnerability in File Browser before v2.63.22 where recursive copy, rename, and delete operations do not properly enforce descendant access rules, allowing authenticated users to manipulate denied files via an allowed parent directory.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.