IBM webMethods Integration Server is affected by vulnerabilty in backup code validation during 2FA Authentication.

published 2026-11-08 3d ago modified 2026-11-08 3d ago also EUVD-2026-119748

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits: 0; none known

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

Patch / fix

links 1

ibm.com/support/pages/node/7295306 advisory

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Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected products

IBM webMethods Integration Server

Classification

Weakness

CWE-287 Improper Authentication

References

ibm.com /support/pages/node/7295306
vendor-advisory, patch

Sources

CVE List CVE-2026-118904
NVD CVE-2026-118904

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