Vulnerability record
CVE-2026-118904
The short answer
CVE-2026-118904 affects IBM webMethods Integration Server and is rated high (CVSS 8.1). It is not in CISA's KEV catalog; EPSS puts the chance of exploitation in the next 30 days at 0.32%.
What it is
IBM webMethods Integration Server 12.1 could allow a remote authenticated attacker to bypass security restrictions due to improper authentication.
Weakness: CWE-287.
Severity
8.1 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Exploited (CISA KEV)
Not listed
CISA lists confirmed exploitation only
EPSS, next 30 days
0.32%
Higher than 26% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- None
Affected products
webMethods Integration Server. NVD's record lists the exact affected versions.
References
Questions
Is CVE-2026-118904 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog as of 2026-11-11. FIRST's EPSS estimates a 0.32% chance of exploitation in the next 30 days.
How do I fix CVE-2026-118904?
Follow the vendor advisory in the references below. NVD lists the affected versions under its configurations.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Awaiting Analysis. The description is NVD's text, quoted as published.
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