CVE-2026-24853 Caido has an insufficient patch for DNS rebind leading to RCE
Attackers can bypass DNS rebinding protections via X-Forwarded-Host header injection, leading to remote code execution in Caido.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-24853?
CVE-2026-24853 is a high-severity vulnerability in caido, published on 13 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-290
Which versions are affected by CVE-2026-24853?
It affects 1 product.
Products include Caido Caido.
How do I fix CVE-2026-24853?
No fix has been published for CVE-2026-24853 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-24853 being exploited?
There is no known exploitation of CVE-2026-24853 in the wild and no public exploit code.
Sources
Also known as GHSA-3q5q-p8vj-8783.