CVE-2021-35514 json
Code injection in Narou
published 2021-06-28 5 y ago modified 2026-06-17 4 mo ago also GHSA-gwrj-88fp-5m36 , EUVD-2021-1469
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
Narou (aka Narou.rb) before 3.8.0 allows Ruby Code Injection via the title name or author name of a novel.
Patch / fix
Exploit prediction
1.44% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 8.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| rubygems | narou | <3.8.0 |
3.8.0 |
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
github.com
/whiteleaf7/narou/commit/d07720e855293182563b749431dfbf6c2d1cdb42
web
-
vuln.ryotak.me
/advisories/51
web, third-party-advisory
-
github.com
/whiteleaf7/narou/blob/develop/ChangeLog.md#380-20210627
web, release-notes, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-35514
advisory
-
github.com
/whiteleaf7/narou
package
Sources
- CVE List CVE-2021-35514
- GitHub Advisory GHSA-gwrj-88fp-5m36
- NVD CVE-2021-35514
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.