Public vulnerability disclosure

CVE-2026-117545

IBM webMethods Integration Server is vulnerable of bypassing the two-factor authentication mechanism.

publishedCWE-287

IBM webMethods Integration Server 12.1 could allow a remote authenticated attacker to bypass security restrictions due to improper authentication.

Technical severity8.8 highCVSS 3.1 · CNA: ibm
Published2026-11-08Source updated 2026-11-08
Collected2026-11-082 attributed sources

Fixes and workarounds

Fix

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_12.1_Core_Fix1 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/7232491

Source: CNA: ibm

Fix

The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.

Source: CNA: ibm

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
webMethods Integration Server
IBM
12.1 (affected) CNA: ibm

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
3.1 / 8.8
high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCNA: ibm
3.1 / 8.8
high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD: [email protected]

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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