primefaces primereact up to 10.9.8 API ObjectUtils.js ObjectUtils.mutateFieldData Field prototype pollution

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in primefaces primereact up to 10.9.8. Impacted is the function ObjectUtils.mutateFieldData of the file components/lib/utils/ObjectUtils.js of the component API. Such manipulation of the argument Field leads to prototype pollution. This vulnerability is listed as CVE-2026-15538. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in primefaces primereact up to 10.9.8 and classified as critical. Affected by this issue is the function ObjectUtils.mutateFieldData of the file components/lib/utils/ObjectUtils.js of the component API. The manipulation of the argument field with an unknown input leads to a prototype pollution vulnerability. Using CWE to declare the problem leads to CWE-1321. The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-15538. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.

Upgrading to version 10.9.9 or 11.0.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 61f182e11d9ef52032ff56f420da763a6938236f is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

github.com is providing further details. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

Vendor Base Score (primefaces): 6.3
Vendor Vector (primefaces): 🔒

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Prototype pollution
CWE: CWE-1321 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

Upgrade: primereact 10.9.9/11.0.0
Patch: 61f182e11d9ef52032ff56f420da763a6938236f

Timelineinfo

07/12/2026 Advisory disclosed
07/12/2026 +0 days VulDB entry created
08/27/2026 +45 days Vendor acknowledged
08/27/2026 +0 days Countermeasure disclosed
08/30/2026 +3 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 8553
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-15538 (🔒)
GCVE (CVE): GCVE-0-2026-15538
GCVE (VulDB): GCVE-100-377888
Misc.: 🔒

Entryinfo

Created: 07/12/2026 20:08
Updated: 08/30/2026 01:36
Changes: 07/12/2026 20:08 (58), 08/27/2026 22:00 (17), 08/27/2026 22:03 (8), 08/27/2026 22:05 (8), 08/30/2026 01:36 (29)
Complete: 🔍
Submitter: Dremig
Committer: Mert Sincan
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #855024: Node.js primereact 10.9.8 Prototype Pollution (by Dremig)

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