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PatchSiren cyber security CVE debrief

CVE-2026-108897 Smart Media4U Technology CVE debrief

A security vulnerability has been detected in Smart Media4U Technology SHAREit App 6.27.38_ww on Android, affecting the WebView JS Bridge's syncInvoke routine. This issue allows for exposed dangerous routines and can be exploited remotely. The exploit has been publicly disclosed, and although the vendor was contacted, no response was received. Defenders should assess exposure and implement necessary mitigations. The CVE record and source item provide details about the vulnerability, but specific technical details are limited. Verification and secure configurations are crucial.

Vendor
Smart Media4U Technology
Product
SHAREit App
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-12
Original CVE updated
2026-10-12
Advisory published
2026-10-12
Advisory updated
2026-10-12

Who should care

Defenders responsible for managing and securing Android applications, particularly those using SHAREit App version 6.27.38_ww, should assess exposure and implement necessary mitigations.

Why it matters

CVE-2026-108897 is a medium-severity vulnerability in Smart Media4U Technology SHAREit App that allows for exposed dangerous routines via the WebView JS Bridge's syncInvoke routine. Defenders should verify the affected version, assess exposure, and implement secure configurations to mitigate potential risks.

  • Verify affected version 6.27.38_ww of SHAREit App in environment
  • Assess exposure to remote exploitation attempts
  • Implement secure configurations for WebView JS Bridge

Technical summary

The vulnerability affects Smart Media4U Technology SHAREit App version 6.27.38_ww on Android, specifically the WebView JS Bridge's syncInvoke routine. This allows for exposed dangerous routines and can be exploited remotely. The issue arises from the manipulation of the syncInvoke function, leading to potential security risks. Defenders should verify the affected version and assess exposure in their environment. Secure configurations for WebView JS Bridge are necessary to mitigate potential risks. The technical details of the vulnerability are limited, but it is crucial to review the CVE record and source item for further information.

Defensive priority

Defenders should prioritize verifying the affected version 6.27.38_ww of SHAREit App and assessing exposure in their environment.

Recommended defensive actions

  • Verify if version 6.27.38_ww of SHAREit App is in use and assess exposure
  • Review and implement secure configurations for WebView JS Bridge
  • Monitor for potential exploitation attempts
  • Perform vulnerability scanning to identify exposed assets
  • Implement compensating controls for exposed systems
  • Review and update asset inventory to reflect affected systems
  • Track exceptions and retest remediated assets

Evidence notes

The CVE record and source item provide details about the vulnerability in Smart Media4U Technology SHAREit App. However, the corpus lacks specific information on the technical details of the vulnerability and potential impacts.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-108897 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-108897

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-108897 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-108897

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Smart Media4U Technology SHAREit App WebView JS Bridge syncInvoke routine

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/108xxx/CVE-2026-108897.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/vuln/416688

    Supplemental source - vdb-entry, technical-description

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/vuln/416688/cti

    Supplemental source - signature, permissions-required

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/cve/CVE-2026-108897

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/submit/973267

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://actuator.sh/1-click.html

    Supplemental source - exploit

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.