RCE in Robinherbots Inputmask
CVE-2026-16150
A vulnerability was found in RobinHerbots Inputmask up to 5.0.9. Affected by this issue is the function extendDefaults/extendDefinitions/extendAliases in the library lib/dependencyLibs/extend.js of the component Internal Deep Merge Helper. The manipulation results in improperly controlled modification of object prototype attributes. The attack may be performed from remote. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (37.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Robinherbots Inputmask — versions 5.0.0, 5.0.1, 5.0.2
Weakness classification (CWE)
References
- vuldb.com/vuln/379909 (technical-description, vdb-entry)
- vuldb.com/vuln/379909/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-16150 (third-party-advisory)
- vuldb.com/submit/856979 (third-party-advisory)
- github.com/RobinHerbots/Inputmask/issues/2885 (issue-tracking)
- github.com/RobinHerbots/Inputmask/ (product)
Frequently asked questions
- What is CVE-2026-16150?
- CVE-2026-16150 is a medium-severity vulnerability in Robinherbots Inputmask, classified under Code Injection. CVSS score: 6.3/10. Published 2026-07-18.
- How severe is CVE-2026-16150?
- Medium severity. CVSS v3 base score is 6.3 out of 10.