CVE-2023-38337 json
rswag vulnerable to arbitrary JSON and YAML file read via directory traversal
published 2023-07-14 3 y ago modified 2026-06-17 4 mo ago also GHSA-vc79-65pr-q82v , EUVD-2023-2148
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
rswag before 2.10.1 allows remote attackers to read arbitrary JSON and YAML files via directory traversal, because rswag-api can expose a file that is not the OpenAPI (or Swagger) specification file of a project.
Patch / fix
- rubygems rswag 2.10.1
- rswag_project rswag 2.10.1
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.27% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| rubygems | rswag | <2.10.1 |
2.10.1 |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/rswag/rswag/issues/653
web, issue-tracking, patch
-
github.com
/rswag/rswag/compare/2.9.0...2.10.1
web, patch
-
nvd.nist.gov
/vuln/detail/CVE-2023-38337
advisory
-
github.com
/rswag/rswag
package
-
github.com
/rubysec/ruby-advisory-db/blob/master/gems/rswag/CVE-2023-38337.yml
web
Sources
- CVE List CVE-2023-38337
- GitHub Advisory GHSA-vc79-65pr-q82v
- NVD CVE-2023-38337
Fencer Vulns 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.