CVE-2026-2741Network attack vector

Arbitrary file write via unchecked ZIP paths

Published Mar 10, 2026 · Updated Mar 10, 2026

Path traversal in Vaadin Flow and Platform allows attackers to write files outside the Node.js extraction directory via a crafted ZIP archive. DefaultArchiveExtractor concatenates untrusted entry names with the destination without verifying the normalized result remains beneath that directory. Affected releases span 14.2.0 through 14.14.0, 15.0.0 through 23.6.7, 24.0.0 through 24.9.9, and 25.0.0 through 25.0.3; exploitation requires an absent local Node.js installation and control or interception of its download.

CVSS severity2.3
Low
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in Vaadin Flow and Platform allows attackers to write files outside the Node.js extraction directory via a crafted ZIP archive. DefaultArchiveExtractor concatenates untrusted entry names with the destination without verifying the normalized result remains beneath that directory. Affected releases span 14.2.0 through 14.14.0, 15.0.0 through 23.6.7, 24.0.0 through 24.9.9, and 25.0.0 through 25.0.3; exploitation requires an absent local Node.js installation and control or interception of its download.

The record

CVE
CVE-2026-2741
Published
Mar 10, 2026
Updated
Mar 10, 2026
Vendor
Vaadin
Product
Vaadin Platform
Classifications
CWE-22, T1195.002
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=14.2.0 <=14.14.0
  2. Affected versionversion=23.0.0 <=23.6.6
  3. Affected versionversion=24.0.0 <=24.9.8
  4. Affected versionversion=25.0.0 <=25.0.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Vaadin · Vaadin Platformversion=14.2.0 <=14.14.0; version=23.0.0 <=23.6.6; version=24.0.0 <=24.9.8; version=25.0.0 <=25.0.2
Vaadin · Vaadin Flowversion=2.2.0 <=2.13.0; version=23.0.0 <=23.6.7; version=24.0.0 <=24.9.9; version=25.0.0 <=25.0.3

Published CVSS scores

6.8NIST NVDCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
2.3Vaadin Ltd.CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
T1195.002Compromise Software Supply Chain

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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