Review reviewHigh

CVE-2026-2482

IBM WebSphere Application Server - Liberty, websphere application server

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is vulnerable to cross-site request forgery which could allow an attacker to execute malicious and unauthorized actions transmitted from a user that the website trusts.

CVSS
8.8
EPSS
0.10%
0.91% percentile
CISA KEV
Not listed
Published
2026.07.30
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.10%
Technical severityCVSS 8.8

Vulnerability overview

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is vulnerable to cross-site request forgery which could allow an attacker to execute malicious and unauthorized actions transmitted from a user that the website trusts.

Affected product and versions

Product
IBM WebSphere Application Server - Liberty, websphere application server
Affected versions
>= 17.0.0.3 <= 26.0.0.8, >= 17.0.0.3 < 26.0.0.9
Fixed versions
26.0.0.9

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that IBM WebSphere Application Server - Liberty, websphere application server and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-352
CVE-2026-2482 — IBM WebSphere Application Server - Liberty, websphere application server | SECUFOCUS NOW