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Fencer Intel
high 7.5

CVE-2013-1756 json

Dragonfly Code Injection vulnerability

published 12y ago modified 4mo ago also GHSA-p463-639r-q9g9 , EUVD-2017-0276

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.7%
EPSS 3.7% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

The Dragonfly gem 0.7 before 0.8.6 and 0.9.x before 0.9.13 for Ruby, when used with Ruby on Rails, allows remote attackers to execute arbitrary code via a crafted request.

Patch / fix

  • rubygems dragonfly 0.8.6, 0.9.13

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Exploit prediction

3.71% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected packages

ecosystem package affected fixed in
rubygems dragonfly
>=0.7, <0.8.6
>=0.9, <0.9.13
0.8.6
0.9.13

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

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.