Answer in brief
CVE-2026-15538 records a Medium severity (CVSS 6.3) vulnerability in primefaces primereact API ObjectUtils.js ObjectUtils.mutateFieldData prototype pollution. The current sources do not mark it as known exploited. The current feed maps primefaces/primereact (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.3. 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.
The current feed maps primefaces/primereact (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| primefaces/primereactgeneric | 10.9.0 || 10.9.1 || 10.9.2 || 10.9.3 || 10.9.4 || 10.9.5 || 10.9.6 || 10.9.7 || 10.9.8 | Not reported |
Published upstream
Jul 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 27, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 13, 2026
A weakness has been identified in primefaces primereact up to 10.9.8. This issue affects the function ObjectUtils.mutateFieldData of the file components/lib/utils/ObjectUtils.js of the component API. This manipulation of the argument Field causes improperly controlled modification of object prototype attributes. The attack is possible to be carried out remotely. Upgrading to version 10.9.9 and 11.0.0 is capable of addressing this issue. Patch name: 61f182e11d9ef52032ff56f420da763a6938236f. It is recommended to upgrade the affected component.
Quoted source text, attributed separately from HOL analysis.