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CVE-2026-41645

MEDIUM

5.3

Description

Nuclei is a vulnerability scanner built on a simple YAML-based DSL. From version 3.0.0 to before version 3.8.0, a vulnerability in Nuclei's expression evaluation engine makes it possible for a malicious target server to inject and execute supported DSL expressions. This happens when HTTP response data containing helper/function syntax gets reused by multi-step templates. If the -env-vars / -ev option is explicitly enabled, this can expose host environment variables. That option is off by default, so standard configurations are not affected by the information disclosure risk. This issue has been patched in version 3.8.0.

Details CVE

Score CVSS v3.15.3

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Vecteur d'attaqueNETWORK

ComplexiteHIGH

Privileges requisNONE

Interaction utilisateurREQUIRED

Publie5/8/2026

Derniere modification5/8/2026

Sourcenvd

Observations honeypot0

Produits affectes

projectdiscovery:nuclei

Faiblesses (CWE)

CWE-94

References

https://github.com/projectdiscovery/nuclei/commit/6c803c74d193f85f8a6d9803ce493fd302cad0eb(security-advisories@github.com)

https://github.com/projectdiscovery/nuclei/commit/d2217320162d5782ca7cb95bef9dda17063818f3(security-advisories@github.com)

https://github.com/projectdiscovery/nuclei/pull/7221(security-advisories@github.com)

https://github.com/projectdiscovery/nuclei/pull/7321(security-advisories@github.com)

https://github.com/projectdiscovery/nuclei/releases/tag/v3.8.0(security-advisories@github.com)

https://github.com/projectdiscovery/nuclei/security/advisories/GHSA-jm34-66cf-qpvr(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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