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Vulnerability Intelligence

CVE-2026-25108

HighExploitedPublic exploit

FileZen contains an OS command injection vulnerability.

Published Feb 13, 2026 · Updated Feb 26, 2026

Key Facts

Patch immediately
  • CVE-2026-25108 is a high-severity vulnerability (CVSS 8.7 v4) affecting FileZen (Soliton).
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 13, 2026. Public exploit code is available.
  • EPSS estimates a 5.2% probability of exploitation in the next 30 days.
  • Fixed versions are available, including FileZen 5.0.11.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v4

8.7

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS (30-day exploit likelihood)

5.2%

Higher than 92.4% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2026-25108 brief as a PDF

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Description

FileZen contains an OS command injection vulnerability. When FileZen Antivirus Check Option is enabled, a logged-in user may send a specially crafted HTTP request to execute an arbitrary OS command.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVFeb 24, 2026Mar 17, 2026Not reported
Industry KEV feedFeb 13, 2026Mar 17, 2026Not reported
CIRCL KEVFeb 24, 2026Mar 17, 2026Not reported
ENISA EUVDFeb 24, 2026n/aNot reported

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
FileZenSoliton>= V5.0.0 to V5.0.105.0.11

Patched Releases

FileZen

5.0.11

Timeline

  1. Publicly disclosed

    Feb 13, 2026

  2. Added to Industry KEV feed

    Feb 13, 2026

  3. Added to CISA KEV

    Feb 24, 2026

  4. Added to CIRCL KEV

    Feb 24, 2026

  5. Added to ENISA EUVD

    Feb 24, 2026

  6. Last updated

    Feb 26, 2026

Weakness Type

  • CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References

1 more references in the full CVE brief

FAQ

Common Questions.

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