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CVE-2026-53510 — Vulnerability in savon — CVE Details

HIGH

Savon::Model evaluates WSDL operation names as Ruby source

Published July 31, 2026Updated July 31, 2026Source: osv

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 `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.

Advisory Timeline

  • First published July 31, 2026 (73 days ago).
  • Last revised July 31, 2026 — 0 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update savon to 2.17.2 or later
gem install savon -v 2.17.2

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
savon
rubygems
0.9.10, 0.9.11, 0.9.14, 0.9.8 (+39 more)2.17.2

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.1 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2026-53510?
Savon::Model evaluates WSDL operation names as Ruby source This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.1/10).
How do I check if my project is affected by CVE-2026-53510?
CVE-2026-53510 affects savon. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-53510 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.1

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-mx5j-mp4f-g8jg

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