Critical · CVSS 9.3CVE-2026-14990

IBM DataPower Gateway affected by cross-site scriptingCVE-2026-14990

Answer in brief

CVE-2026-14990 records a Critical severity (CVSS 9.3) vulnerability in IBM DataPower Gateway affected by cross-site scripting. The current sources do not mark it as known exploited. The current feed maps IBM/DataPower Gateway 10.6.0 (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 8, 2026Updated Oct 8, 2026Source checked Oct 8, 2026First seen by HOL Oct 8, 2026Material review Oct 8, 2026

Upstream Advisory

Key facts

Risk: Critical · CVSS 9.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 9.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps IBM/DataPower Gateway 10.6.0 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
IBM/DataPower Gateway 10.6.0generic	>=10.6.0.0 <=10.6.0.10	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for IBM/DataPower Gateway 10.6.0.
Review the reported fix. Source-reported solution: IBM strongly advises upgrading as soon as possible. Known Issue: DT501991 https://www.ibm.com/mysupport/s/defect/aCIgJ000000Jra5/dt501991 Affected VersionsFixed in ReleaseIBM DataPower Gateway 10.6.0 10.6.0.0 - 10.6.0.1010.6.0.11

Evidence timeline and material changes

Published upstream
Oct 8, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 8, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 8, 2026

Sources and claim methodology

Source referenceibm.com

Upstream source description

IBM DataPower Gateway 10.6.0.0 through 10.6.0.10 is vulnerable to cross-site scripting. This vulnerability allows an unauthenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

Quoted source text, attributed separately from HOL analysis.