primefaces primereact API ObjectUtils.js ObjectUtils.mutateFieldData prototype pollution
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-94.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| primefaces | primereact | 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 | 10.9.9, 11.0.0 | Patch available | CNA |
- primereact Vendorprimefaces Affected 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 Fixed in 10.9.9, 11.0.0 Patch available CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:primefaces:primereact:*:*:*:*:*:*:*:* | — | — | primefaces |
- cpe:2.3:a:primefaces:primereact:*:*:*:*:*:*:*:* Versions — — ·primefaces
Remediation
- Fix · CNA primereact (primefaces) Fixed in 10.9.9, 11.0.0
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AI (RHEL AI) 3 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-15538
- 2026-10-03 Alias added: GHSA-vg36-rrrg-4wqv
References
Patch 2
Sources
- CVE-2026-15538 · CVE Program
- CVE-2026-15538 · NVD
- FIRST EPSS
- GHSA-vg36-rrrg-4wqv · GitHub Advisory Database · CC BY 4.0
- CVE-2026-15538 · Red Hat security data · CC BY 4.0
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