Caido up to 0.54.x Service Port 8080 X-Forwarded-Host authentication spoofing

Summaryinfo

A vulnerability described as critical has been identified in Caido up to 0.54.x. Affected by this vulnerability is an unknown functionality of the component Service Port 8080. Executing a manipulation of the argument X-Forwarded-Host can lead to authentication spoofing. The identification of this vulnerability is CVE-2026-24853. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Caido up to 0.54.x. It has been declared as critical. This vulnerability affects an unknown code block of the component Service Port 8080. The manipulation of the argument X-Forwarded-Host with an unknown input leads to a authentication spoofing vulnerability. The CWE definition for the vulnerability is CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability was named CVE-2026-24853 since 01/27/2026. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 0.55.0 eliminates this vulnerability.

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Productinfo

Name

• Caido

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23
• 0.24
• 0.25
• 0.26
• 0.27
• 0.28
• 0.29
• 0.30
• 0.31
• 0.32
• 0.33
• 0.34
• 0.35
• 0.36
• 0.37
• 0.38
• 0.39
• 0.40
• 0.41
• 0.42
• 0.43
• 0.44
• 0.45
• 0.46
• 0.47
• 0.48
• 0.49
• 0.50
• 0.51
• 0.52
• 0.53
• 0.54

Website

• Product: https://github.com/caido/caido/

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