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Fencer Vulns
high 7.4

CVE-2024-40641 json

Unsigned code template execution through workflows in projectdiscovery/nuclei

published 2024-07-17 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-2317 , GHSA-c3q9-c27p-cw9h , GO-2024-2989

cvss
7.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits
0
none known

Summary

Nuclei is a fast and customizable vulnerability scanner based on simple YAML based DSL. In affected versions it a way to execute code template without -code option and signature has been discovered. Some web applications inherit from Nuclei and allow users to edit and execute workflow files. In this case, users can execute arbitrary commands. (Although, as far as I know, most web applications use -t to execute). This issue has been addressed in version 3.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Patch / fix

  • go github.com/projectdiscovery/nuclei/v3 3.3.0
  • projectdiscovery nuclei 3.3.0

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
GitHub 3.1 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
go github.com/projectdiscovery/nuclei/v3
<3.3.0
3.3.0
go github.com/projectdiscovery/nuclei
all versions
no fix listed
go github.com/projectdiscovery/nuclei/v2
all versions
no fix listed

Affected products

  • projectdiscovery nuclei

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.