CVE-2026-34648Network attack vector

Unauthenticated service interruption via resource exhaustion

Published May 12, 2026 · Updated May 12, 2026

Uncontrolled resource consumption in Adobe Commerce 2.4.9-beta1 and earlier allows remote attackers to interrupt the application. Adobe has not disclosed the affected component, request format, or resource whose allocation is left uncontrolled; published records state only that network activity exhausts system resources. No credentials or user interaction are required, and the documented impact is limited to service interruption with no confidentiality or integrity loss.

CVSS severity7.5
High
EPSS probability22.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Uncontrolled resource consumption in Adobe Commerce 2.4.9-beta1 and earlier allows remote attackers to interrupt the application. Adobe has not disclosed the affected component, request format, or resource whose allocation is left uncontrolled; published records state only that network activity exhausts system resources. No credentials or user interaction are required, and the documented impact is limited to service interruption with no confidentiality or integrity loss.

The record

CVE
CVE-2026-34648
Published
May 12, 2026
Updated
May 12, 2026
Vendor
Adobe
Product
Adobe Commerce
Classifications
CWE-400, CAPEC-492, CAPEC-227, CAPEC-147, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 12, 2026CVE publishedPublication date reported by the CVE source.
  2. May 12, 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=0 <=2.4.4-p17

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Adobe · Adobe Commerceversion=0 <=2.4.4-p17

Published CVSS scores

7.5Adobe Systems IncorporatedCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
CAPEC-492Regular Expression Exponential Blowup
CAPEC-227Sustained Client Engagement
CAPEC-147XML Ping of the Death
T1499.004Endpoint Denial of Service: Application or System Exploitation

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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