ProjectDiscovery Nuclei up to 3.7.x DSL code injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k4.09-

Summaryinfo

A vulnerability was found in ProjectDiscovery Nuclei up to 3.7.x and classified as critical. Affected by this vulnerability is an unknown functionality of the component DSL Handler. Such manipulation leads to code injection. This vulnerability is uniquely identified as CVE-2026-41282. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ProjectDiscovery Nuclei up to 3.7.x. Affected by this issue is an unknown code of the component DSL Handler. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

ProjectDiscovery Nuclei 3 before 3.8.0 allows DSL expression injection. This affects use of -env-vars for multi-step templates against untrusted targets (not the default configuration).

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-41282 since 04/20/2026. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.

Upgrading to version 3.8.0 eliminates this vulnerability. Applying the patch 6c803c74d193f85f8a6d9803ce493fd302cad0eb is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-23795). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.0
CNA Vector (MITRE): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Nuclei 3.8.0
Patch: 6c803c74d193f85f8a6d9803ce493fd302cad0eb

Timelineinfo

04/20/2026 Advisory disclosed
04/20/2026 +0 days CVE reserved
04/20/2026 +0 days VulDB entry created
04/20/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-jm34-66cf-qpvr
Status: Confirmed

CVE: CVE-2026-41282 (🔒)
GCVE (CVE): GCVE-0-2026-41282
GCVE (VulDB): GCVE-100-358292
EUVD: 🔒

Entryinfo

Created: 04/20/2026 11:52
Updated: 04/20/2026 12:26
Changes: 04/20/2026 11:52 (68), 04/20/2026 12:26 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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