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Fencer Vulns
medium 4.3

CVE-2023-34112 json

JavaCPP project actions vulnerable to code injection

published 2023-06-08 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-38214

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

JavaCPP Presets is a project providing Java distributions of native C++ libraries. All the actions in the `bytedeco/javacpp-presets` use the `github.event.head_commit.message​` parameter in an insecure way. For example, the commit message is used in a run statement - resulting in a command injection vulnerability due to string interpolation. No exploitation has been reported. This issue has been addressed in version 1.5.9. Users of JavaCPP Presets are advised to upgrade as a precaution.

Patch / fix

  • bytedeco javacpp_presets 1.5.9

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
22 mo ago

Exploit prediction

1.95% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • securitylab.github.com https://securitylab.github.com/research/github-actions-untrusted-input/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • bytedeco javacpp-presets

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

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.