What’s Vulnerable › Vulnerabilities

CVE-2024-39906: Remote code execution in Haven IndieAuthClient (GHSL-2024-093)

• Severity: high (CVSS 8.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-19 · updated 2026-06-17
• Weakness: CWE-74

Description

A command injection vulnerability was found in the IndieAuth functionality of the Ruby on Rails based Haven blog web application. The affected functionality requires authentication, but an attacker can craft a link that they can pass to a logged in administrator of the blog software. This leads to the immediate execution of the provided commands when the link is accessed by the authenticated administrator. This issue may lead to Remote Code Execution (RCE) and has been addressed by commit `c52f07c`. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products

• havenweb haven: before c52f07c — fixed in c52f07c

How to fix

Upgrade to a fixed version: havenweb haven c52f07c. Check the vendor advisory for mitigations.

References

• https://github.com/havenweb/haven/commit/c52f07c
• https://github.com/havenweb/haven/security/advisories/GHSA-65cm-7g24-hm9f
• https://github.com/havenweb/haven/commit/c52f07c
• https://github.com/havenweb/haven/security/advisories/GHSA-65cm-7g24-hm9f

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