CVE-2026-15538
primefaces primereact API ObjectUtils.js ObjectUtils.mutateFieldData prototype pollution
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.
INFO
Published Date :
July 13, 2026, 7:16 a.m.
Last Modified :
Aug. 27, 2026, 8:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Migrate to a newer, supported version of the product.
- Replace the unsupported component with a maintained alternative.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-15538.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-15538 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-15538
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-15538 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-15538 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Aug. 27, 2026
Action Type Old Value New Value Removed Tag unsupported-when-assigned Changed Description A weakness has been identified in primefaces primereact up to 10.9.8. This issue affects the function ObjectUtils.mutateFieldData 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. The project was informed of the problem early through an issue report but has not responded yet. This vulnerability only affects products that are no longer supported by the maintainer. 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. Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/15xxx/CVE-2026-15538.json">CVE-2026-15538</a> Added Reference https://github.com/Mantle-UI/mantle-ui/issues/50 Added Reference https://github.com/primefaces/primereact/ Added Reference https://github.com/primefaces/primereact/commit/61f182e11d9ef52032ff56f420da763a6938236f Added Reference https://github.com/primefaces/primereact/issues/8553 Added Reference https://github.com/primefaces/primereact/releases/tag/10.9.9 Added Reference https://github.com/primefaces/primereact/security/advisories/GHSA-hgqw-899r-rc46 Added Reference https://vuldb.com/cve/CVE-2026-15538 Added Reference https://vuldb.com/submit/855024 Added Reference https://vuldb.com/vuln/377888 Added Reference https://vuldb.com/vuln/377888/cti Removed Reference https://github.com/Mantle-UI/mantle-ui/issues/50 Removed Reference https://github.com/primefaces/primereact/ Removed Reference https://github.com/primefaces/primereact/issues/8553 Removed Reference https://vuldb.com/cve/CVE-2026-15538 Removed Reference https://vuldb.com/submit/855024 Removed Reference https://vuldb.com/vuln/377888 Removed Reference https://vuldb.com/vuln/377888/cti -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 13, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-15538', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-13T15:21:54.694785Z'} -
New CVE Received by [email protected]
Jul. 13, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:primefaces:primereact:*:*:*:*:*:*:*:*'], 'vendor': 'primefaces', 'modules': ['API'], 'product': 'primereact', 'versions': [{'status': 'affected', 'version': '10.9.0'}, {'status': 'affected', 'version': '10.9.1'}, {'status': 'affected', 'version': '10.9.2'}, {'status': 'affected', 'version': '10.9.3'}, {'status': 'affected', 'version': '10.9.4'}, {'status': 'affected', 'version': '10.9.5'}, {'status': 'affected', 'version': '10.9.6'}, {'status': 'affected', 'version': '10.9.7'}, {'status': 'affected', 'version': '10.9.8'}]}] Added Tag unsupported-when-assigned Added Description A weakness has been identified in primefaces primereact up to 10.9.8. This issue affects the function ObjectUtils.mutateFieldData 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. The project was informed of the problem early through an issue report but has not responded yet. This vulnerability only affects products that are no longer supported by the maintainer. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P) Added CWE CWE-94 Added CWE CWE-1321 Added Reference https://github.com/Mantle-UI/mantle-ui/issues/50 Added Reference https://github.com/primefaces/primereact/ Added Reference https://github.com/primefaces/primereact/issues/8553 Added Reference https://vuldb.com/cve/CVE-2026-15538 Added Reference https://vuldb.com/submit/855024 Added Reference https://vuldb.com/vuln/377888 Added Reference https://vuldb.com/vuln/377888/cti