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.

CVSS 4.0

5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS

0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-25)

CWEs

CWE-94, CWE-1321

Published

2026-07-18

Modified

2026-10-24

Record from

the NVD, synced 2026-10-25

References

• https://github.com/RobinHerbots/Inputmask/
• https://github.com/RobinHerbots/Inputmask/issues/2885
• https://vuldb.com/cve/CVE-2026-16150
• https://vuldb.com/submit/856979
• https://vuldb.com/vuln/379909

Check your stackJSON