CVE-2026-1642

MEDIUM

5.9

Description

A vulnerability exists in NGINX OSS and NGINX Plus when configured to proxy to upstream Transport Layer Security (TLS) servers. An attacker with a man-in-the-middle (MITM) position on the upstream server side—along with conditions beyond the attacker's control—may be able to inject plain text data into the response from an upstream proxied server. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Details CVE

Score CVSS v3.15.9

SeveriteMEDIUM

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

Vecteur d'attaqueNETWORK

ComplexiteHIGH

Privileges requisNONE

Interaction utilisateurNONE

Publie2/4/2026

Derniere modification2/13/2026

Sourcenvd

Observations honeypot0

Produits affectes

f5:nginx_gateway_fabricf5:nginx_ingress_controllerf5:nginx_instance_managerf5:nginx_open_sourcef5:nginx_plus

Faiblesses (CWE)

CWE-349CWE-345

References

https://my.f5.com/manage/s/article/K000159824(f5sirt@f5.com)

http://www.openwall.com/lists/oss-security/2026/02/05/1(af854a3a-2127-422b-91ae-364da2661108)

Correlations IOC

Aucune correlation enregistree

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