CVE-2026-15538mediumCWE-1321 CWE-94

CVE-2026-15538: medium-severity vulnerability in primefaces primereact

primefaces primereact API ObjectUtils.js ObjectUtils.mutateFieldData prototype pollution

Published 13 Jul 2026 · Updated 27 Aug 2026

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3epss 0.5%

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X

Affected products

primefaces · primereact

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