CVE-2026-53510

Summary

Savon::Model evaluates WSDL operation names as Ruby source

Severity

high

CVSS

8.1

EPSS

0.7% (p52)

CWE

CWE-94

Also known as

GHSA-mx5j-mp4f-g8jg

Published

2026-07-31

Updated

2026-07-31

Advisory details

Impact

Savon::Model generated SOAP operation methods by interpolating operation names into Ruby source passed to module_eval. An attacker who can control the operation names of a WSDL, can inject Ruby code that executes in the application process. This affects only the .all_operations class method provided by Savon::Model to automatically register all operations provided by the WSDL. Configuring Savon::Model with trusted operation names via .operations is safe.

Patches

Patched in Savon 2.17.2.

Users should upgrade to 2.17.2 or later.

Workarounds

Avoid .all_operations for untrusted WSDL documents. Use .operations with trusted operation names instead.

References

• https://github.com/advisories/GHSA-mx5j-mp4f-g8jg
• https://github.com/savonrb/savon/security/advisories/GHSA-mx5j-mp4f-g8jg
• https://github.com/savonrb/savon/commit/8f22eb543e7436f6247172c9be47e22792d375e9
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/savon/CVE-2026-53510.yml
• https://github.com/savonrb/savon/releases/tag/v2.17.2
• https://www.cve.org/CVERecord/SearchResults?query=CVE-2026-53510

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