What’s Vulnerable › Vulnerabilities

CVE-2026-53510: Savon::Model evaluates WSDL operation names as Ruby source

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-31 · updated 2026-10-23
• Weakness: CWE-94

Description

Savon is a Ruby SOAP client. From 0.9.8 until 2.17.2, Savon::Model .all_operations interpolates attacker-controlled WSDL operation names into Ruby source passed to module_eval, allowing Ruby code execution in the application process. This issue is fixed in version 2.17.2.

Affected products

• savonrb savon: from 0.9.8, < 2.17.2

References

• https://github.com/savonrb/savon/commit/8f22eb543e7436f6247172c9be47e22792d375e9
• https://github.com/savonrb/savon/releases/tag/v2.17.2
• https://github.com/savonrb/savon/security/advisories/GHSA-mx5j-mp4f-g8jg

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