What’s Vulnerable › Vulnerabilities

CVE-2026-15538: primefaces primereact API ObjectUtils.js ObjectUtils.mutateFieldData prototype pollution

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-13 · updated 2026-10-24
• Weakness: CWE-94

Description

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.

Affected products

• primefaces primereact: 10.9.0, 10.9.1, 10.9.2, 10.9.3, 10.9.4, 10.9.5 (+3)

References

• https://github.com/Mantle-UI/mantle-ui/issues/50
• https://github.com/primefaces/primereact/
• https://github.com/primefaces/primereact/commit/61f182e11d9ef52032ff56f420da763a6938236f
• https://github.com/primefaces/primereact/issues/8553
• https://github.com/primefaces/primereact/releases/tag/10.9.9
• https://github.com/primefaces/primereact/security/advisories/GHSA-hgqw-899r-rc46
• https://vuldb.com/cve/CVE-2026-15538
• https://vuldb.com/submit/855024
• https://vuldb.com/vuln/377888
• https://vuldb.com/vuln/377888/cti

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