CVE-2026-15538primefaces primereact API ObjectUtils.js ObjectUtils.mutateFieldData prototype pollution
- 5.3MediumCVSS base score
- 0.54%Exploitation in 30 daysEPSS · top 54% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By VulDB
- 1 day later
· 1 day later
Published
- 45 days later
· 45 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium5.3 | 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 |
| VulDBCNA (assigner) | 3.1 | Medium6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C |
| VulDBCNA (assigner) | 3.0 | Medium6.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C |
| VulDBCNA (assigner) | 2.0 | Medium6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C |
| NVDNVD · Deferred | 4.0 | Medium5.3 | 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/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 |
- EPSS (exploitation in 30 days)
- 0.54% · top 54% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
- affected 10.9.0
- affected 10.9.1
- affected 10.9.2
- affected 10.9.3
- affected 10.9.4
- affected 10.9.5
- affected 10.9.6
- affected 10.9.7
- affected 10.9.8
- unaffected 10.9.9
- unaffected 11.0.0
References
References10
- VDB-377888 | primefaces primereact API ObjectUtils.js ObjectUtils.mutateFieldData prototype pollution (opens in a new tab)vdb-entrytechnical-description
- VDB-377888 | CTI Indicators (IOB, IOC, TTP, IOA) (opens in a new tab)signaturepermissions-required
- CVE-2026-15538 | CVE Analysis and Report (opens in a new tab)third-party-advisory
- Submit #855024 | Node.js primereact 10.9.8 Prototype Pollution (opens in a new tab)third-party-advisory
- https://github.com/primefaces/primereact/issues/8553 (opens in a new tab)issue-tracking
- https://github.com/primefaces/primereact/security/advisories/GHSA-hgqw-899r-rc46 (opens in a new tab)related
- https://github.com/primefaces/primereact/commit/61f182e11d9ef52032ff56f420da763a6938236f (opens in a new tab)patch
- https://github.com/primefaces/primereact/releases/tag/10.9.9 (opens in a new tab)patch
- https://github.com/Mantle-UI/mantle-ui/issues/50 (opens in a new tab)issue-tracking
- https://github.com/primefaces/primereact/ (opens in a new tab)product
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-43294 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-15538)Record last updated .