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TI-2026-74497 Aliases CVE-2026-57492

FileRise setup mode reopens when users.txt is empty

Priority HIGH 68CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

FileRise versions before 3.16.0 treat an empty or missing users.txt file as a fresh installation, even after setup has completed. An unauthenticated remote attacker can detect that setup mode has reopened and create the next initial administrator account through the setup flow. The flaw is classified as CWE-306, missing authentication for a critical function.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.16.0, FileRise treats an empty or missing users.txt file as a fresh installation even after setup previously completed. If storage loss, truncation, or another failure empties the user store, an unauthenticated remote caller can detect that setup mode reopened and create the next initial administrator account through the setup flow. The application lacked a durable setup-complete marker independent of the mutable user store. This issue is fixed in version 3.16.0.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00349 28th percentileScored 2026-11-07
Fix Fixed FileRise (error311): 3.16.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
error311FileRisebefore 3.16.03.16.0Patch availableCNA
  • FileRise Vendorerror311 Affected before 3.16.0 Fixed in 3.16.0 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:filerise:filerise:*:*:*:*:*:*:*:*——error311
  • cpe:2.3:a:filerise:filerise:*:*:*:*:*:*:*:* Versions — — ·error311

Remediation

Upgrade FileRise to version 3.16.0, which fixes this issue.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA FileRise (error311) Fixed in 3.16.0

Timeline

  1. 2026-10-15 Threatist record created from CVE-2026-57492
  2. 2026-10-16 CISA SSVC decision points changed
  3. 2026-10-16 Priority changed: MEDIUM → HIGH

References

Other 3

  • TI-2026-74499 Unauthenticated file overwrite in FileRise via upload-enabled shares CVSS 3.1HIGH 8.2
  • TI-2026-25514 FileRise: Default Encryption Key Enables Token Forgery and Config Decryption CVSS 3.1HIGH 8.2
  • TI-2025-41705 FileRise vulnerable to Cross-Site Scripting (XSS) in SVG File Handling CVSS 3.1HIGH 8.9
  • TI-2026-25513 FileRise: WebDAV upload path bypasses filename validation enforced by regular uploads CVSS 3.1HIGH 8.8
  • TI-2026-74495 WebDAV authentication in FileRise skips TOTP two-factor check CVSS 3.1HIGH 8.1
  • TI-2026-74494 Authentication bypass in FileRise via spoofed reverse-proxy headers CVSS 3.1HIGH 8.1
See all 37 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences