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CVE-2026-123628

IBM webMethods Integration Server is vulnerable to sensitive information disclousure via admin/server/env API request.

  • High 7.5

Description

IBM webMethods Integration Server 10.15 and 11.1 could allow a remote attacker to obtain sensitive information due to an exposure of sensitive server-side environment variables and Java runtime details.

Key facts

Published
13 Nov 2026
Last changed
13 Nov 2026
Assigned by
ibm
EPSS
0.303% likely to be exploited in the next 30 days, higher than 23.423% of CVEs (scores for 15 Nov 2026)

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.5CVSS 3.1, Highfrom the CNA (ibm)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

What to do

  • IBM strongly recommends addressing the vulnerability now by applying the mentioned core fixes or later core fixes for the affected versions and following the respective fix readme document. IS_10.15_Core_Fix27 or later IS_11.1_Core_Fix12 or later Fixes can be downloaded and installed via IBM webMethods Update Manager. Refer to How to Download webMethods Software https://www.ibm.com/support/pages/node/7232491CNA solution statement

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
IBMwebMethods Integration Server
  • 10.15 up to and including 10.15_Core_Fix2 (affected)
  • 11.1 up to and including 11.1_Core_Fix11 (affected)

Timeline

  1. 13 Nov 2026 Published

Weakness

References