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

Summary

### 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…

Timeline

Published by source

2026-07-31

Risk context

• Reported severity or threat level: high.
• Review exposure for the affected product or family: rubygems: savon.

Product

rubygems: savon

What to do

General, cautious steps (verify details in the official source):

• Prioritize patching or mitigation immediately (treat as actively risky).
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Evidence and provenance

Canonical advisory ID

CVE-2026-53510

Source

GitHub

Vendor

GitHub

Published by source

2026-07-31

Last source activity

2026-07-31

Additional identifiers

GHSA-MX5J-MP4F-G8JG

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.