CVE-2026-53510 json
Savon::Model evaluates WSDL operation names as Ruby source
published 3mo ago modified 19d ago also GHSA-mx5j-mp4f-g8jg , EUVD-2026-51624
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- rubygems savon 2.17.2
Is CVE-2026-53510 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 3mo ago
Exploit prediction
0.69% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| rubygems | savon | >=0.9.8, <2.17.2 |
2.17.2 |
Affected products
- savonrb savon
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
github.com
/savonrb/savon/commit/8f22eb543e7436f6247172c9be47e22792d375e9
web
-
github.com
/savonrb/savon/security/advisories/GHSA-mx5j-mp4f-g8jg
web
-
github.com
/savonrb/savon/releases/tag/v2.17.2
web
-
github.com
/rubysec/ruby-advisory-db/blob/master/gems/savon/CVE-2026-53510.yml
web
-
github.com
/savonrb/savon
package
-
cve.org
/CVERecord/SearchResults?query=CVE-2026-53510
web
Sources
- CVE List CVE-2026-53510
- GitHub Advisory GHSA-mx5j-mp4f-g8jg
- NVD CVE-2026-53510
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.