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CVE-2026-61843— FileRise: Unauthenticated File Overwrite Through Upload-Enabled Folder Shares

Quick assessment

Affected
error311 FileRise
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.18.0, FileRise upload-enabled shared-folder and upload-only links do not reject a destination filename that already exists. An unauthenticated vi

CVSS 8.2 · High
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I. Basic Information for CVE-2026-61843

Vulnerability Information

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Vulnerability Title
FileRise: Unauthenticated File Overwrite Through Upload-Enabled Folder Shares
Source: CVE Program / CVE List V5
Vulnerability Description
FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.18.0, FileRise upload-enabled shared-folder and upload-only links do not reject a destination filename that already exists. An unauthenticated visitor with a valid share token and any configured share password can upload a file with the same name as an existing file and silently replace its content while the original uploader metadata remains. The same replacement gap affects ordinary authenticated uploads through /api/upload/upload.php and authenticated upload-only users who lack edit authority over the existing file. This issue is fixed in version 3.18.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
error311 FileRise < 3.18.0 -

II. Public POCs for CVE-2026-61843

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III. Intelligence Information for CVE-2026-61843

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Other References for CVE-2026-61843 (2)

Same Patch Batch · error311 · 2026-10-14 · 22 CVEs total

CVE-2026-57489 8.1 HIGH FileRise: AUTH_BYPASS reverse-proxy header trust without source IP validation enables full
CVE-2026-57490 8.1 HIGH FileRise: WebDAV authentication bypasses TOTP/MFA entirely
CVE-2026-104108 8.1 HIGH FileRise OIDC login can bind an attacker identity to an existing local account
CVE-2026-103977 8.1 HIGH FileRise: Session-scoped TOTP rate limiting permits repeated verification attempts
CVE-2026-57492 7.4 HIGH FileRise: Setup mode re-activates when users.txt becomes empty, allowing unauthenticated a
CVE-2026-61844 7.1 HIGH FileRise: Folder Metadata Filename Collisions Bypass "read_own" Isolation
CVE-2026-104109 6.8 MEDIUM FileRise: Authenticated ZIP extraction follows a pre-existing symlink and deletes files ou
CVE-2026-57493 6.8 MEDIUM FileRise: Remember-me auto-login uses stale admin role from token instead of current role
CVE-2026-104107 6.5 MEDIUM FileRise: Authenticated path traversal escapes configured storage root through inherited A
CVE-2026-104106 6.5 MEDIUM FileRise: 2FA disable and TOTP enrollment lack step-up re-authentication; enrollment activ
CVE-2026-57491 6.5 MEDIUM FileRise: ZIP extraction writes blocked file extensions to disk, bypassing the upload bloc
CVE-2026-69193 6.5 MEDIUM FileRise: Rate Limiting Bypass via Username Rotation Enables Unlimited Password Spraying
CVE-2026-104105 6.4 MEDIUM FileRise: TOTP codes are not single-use — valid 6-digit code can be replayed within its wi
CVE-2026-77427 5.9 MEDIUM FileRise: Insecure default cryptographic key fallback in manual installs
CVE-2026-103988 5.4 MEDIUM FileRise renameFolder omits destination-parent authorization
CVE-2026-69191 5.4 MEDIUM FileRise: Login Method Restriction Bypass via Direct API Access
CVE-2026-62664 5.4 MEDIUM FileRise: Authenticated path traversal in createFolder allows arbitrary directory creation
CVE-2026-104110 5.3 MEDIUM FileRise: Unauthenticated disclosure of internal folder path, client email, and upload pol
CVE-2026-69194 4.8 MEDIUM FileRise: Unsanitized footerHtml in Public Site Config
CVE-2026-55498 4.8 MEDIUM FileRise Shared Folder Symlink Escape

Showing top 20 of 22 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: FileRise
Same vendor: error311
Same weakness: CWE-862

V. Comments for CVE-2026-61843

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