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TI-2025-08675 Aliases CVE-2025-9467GHSA-9gfh-4fwj-w3rj

Possibility to bypass file upload validation on the server-side

Priority LOW 24CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
None · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-434.

Summary

When the Vaadin Upload's start listener is used to validate metadata about an incoming upload, it is possible to bypass the upload validation. Users of affected versions should apply the following mitigation or upgrade. Releases that have fixed this issue include: Product version Vaadin 7.0.0 - 7.7.47 Vaadin 8.0.0 - 8.28.1 Vaadin 14.0.0 - 14.13.0 Vaadin 23.0.0 - 23.6.1 Vaadin 24.0.0 - 24.7.6 Mitigation Upgrade to 7.7.48 Upgrade to 8.28.2 Upgrade to 14.13.1 Upgrade to 23.6.2 Upgrade to 24.7.7 or newer Please note that Vaadin versions 10-13 and 15-22 are no longer supported and you should update either to the latest 14, 23, 24 version. Artifacts     Maven coordinatesVulnerable versionsFixed versioncom.vaadin:vaadin-server 7.0.0 - 7.7.47 ≥7.7.48 com.vaadin:vaadin-server 8.0.0 - 8.28.1 ≥8.28.2 com.vaadin:vaadin 14.0.0 - 14.13.0 ≥14.13.1 com.vaadin:vaadin23.0.0 - 23.6.1 ≥23.6.2 com.vaadin:vaadin24.0.0 - 24.7.6 ≥24.7.7com.vaadin:vaadin-upload-flow 2.0.0 - 14.13.0 ≥14.13.1 com.vaadin:vaadin-upload-flow 23.0.0 - 23.6.1 ≥23.6.2 com.vaadin:vaadin-upload-flow 24.0.0 - 24.7.6 ≥24.7.7

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00393 33rd percentileScored 2026-11-07
Fix Fixed com.vaadin:vaadin-server (Maven): 7.7.48, 8.28.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
Vaadinvaadin14.0.0 – 14.13.0; 23.0.0 – 23.6.1; 24.0.0 – 24.7.6—No fix listedCNA
Vaadinframework7.0.0 – 7.7.47; 8.0.0 – 8.28.1—No fix listedCNA
Vaadinvaadin-upload-flow2.0.0 – 14.13.0; 23.0.0 – 23.6.1; 24.0.0 – 24.7.6—No fix listedCNA
—com.vaadin:vaadin-server (Maven)7.0.0 to before 7.7.487.7.48Patch availableGHSA-9gfh-4fwj-w3rj
—com.vaadin:vaadin-server (Maven)8.0.0 to before 8.28.28.28.2Patch availableGHSA-9gfh-4fwj-w3rj
  • vaadin VendorVaadin Affected 14.0.0 – 14.13.0; 23.0.0 – 23.6.1; 24.0.0 – 24.7.6 Fixed in — No fix listed CNA
  • framework VendorVaadin Affected 7.0.0 – 7.7.47; 8.0.0 – 8.28.1 Fixed in — No fix listed CNA
  • vaadin-upload-flow VendorVaadin Affected 2.0.0 – 14.13.0; 23.0.0 – 23.6.1; 24.0.0 – 24.7.6 Fixed in — No fix listed CNA
  • com.vaadin:vaadin-server (Maven) Vendor— Affected 7.0.0 to before 7.7.48 Fixed in 7.7.48 Patch available GHSA-9gfh-4fwj-w3rj
  • com.vaadin:vaadin-server (Maven) Vendor— Affected 8.0.0 to before 8.28.2 Fixed in 8.28.2 Patch available GHSA-9gfh-4fwj-w3rj

Remediation

  • Fix · GHSA-9gfh-4fwj-w3rj com.vaadin:vaadin-server (Maven) Fixed in 7.7.48 Advisory →
  • Fix · GHSA-9gfh-4fwj-w3rj com.vaadin:vaadin-server (Maven) Fixed in 8.28.2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-9467
  2. 2026-10-03 Alias added: GHSA-9gfh-4fwj-w3rj

References

Advisory 1

Other 5

  • TI-2026-81073 Vaadin push endpoint reflects any Origin and allows credentials CVSS 4.0LOW 2.3
  • TI-2026-78950 Session lock leak in Vaadin Framework 8 allows denial of service CVSS 4.0HIGH 8.7
  • TI-2021-11539 Server classes and resources exposure in OSGi applications using Vaadin 12-14 and 19 CVSS 3.1HIGH 8.6
  • TI-2021-11542 Project sources exposure in Vaadin Designer CVSS 3.1HIGH 8.6
  • TI-2026-78949 Multiple flaws in Highcharts bundled with Vaadin Charts CVSS 4.0HIGH 8.4
  • TI-2020-18603 Regular expression Denial of Service (ReDoS) in EmailValidator class in Vaadin 7 CVSS 3.1HIGH 7.5
See all 34 →

Sources

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