K000160367: NGINX ngx_mail_smtp_module vulnerability CVE-2026-28753

🗓️ 24 Mar 2026 13:15:38Reported by f5Type

f5🔗 my.f5.com👁 3 Views

CRLF injection in nginx mail module enables header manipulation of upstream requests via DNS.

Reporter	Title	Published	Views	Family All 67
ATTACKERKB	CVE-2026-28753	24 Mar 202614:13	–	attackerkb
Tenable Nessus	Amazon Linux 2023 : nginx, nginx-all-modules, nginx-core (ALAS2023-2026-1540)	13 Apr 202600:00	–	nessus
Tenable Nessus	Amazon Linux 2 : nginx, --advisory ALAS2NGINX1-2026-011 (ALASNGINX1-2026-011)	14 Apr 202600:00	–	nessus
Tenable Nessus	Debian dla-4589 : libnginx-mod-http-auth-pam - security update	18 May 202600:00	–	nessus
Tenable Nessus	Fedora 44 : nginx / nginx-mod-brotli / nginx-mod-fancyindex / etc (2026-4de4d247a0)	29 Apr 202600:00	–	nessus
Tenable Nessus	nginx 0.6.27 < 1.28.3 / 1.29.x < 1.29.7 SMTP Upstream Injection	16 Apr 202600:00	–	nessus
Tenable Nessus	SUSE SLES15 Security Update : nginx (SUSE-SU-2026:1761-1)	10 May 202600:00	–	nessus
Tenable Nessus	SUSE SLES15 Security Update : nginx (SUSE-SU-2026:1953-1)	19 May 202600:00	–	nessus
Tenable Nessus	Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : nginx vulnerabilities (USN-8210-1)	28 Apr 202600:00	–	nessus
Tenable Nessus	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: nginx (UTSA-2026-014274)	23 Apr 202600:00	–	nessus

Vulners

Node

f5 big-ip_next_cgnat_cnfMatch2.2.1

OR

f5 big-ip_next_cgnat_cnfMatch2.2.0

OR

f5 big-ip_next_cgnat_cnfMatch2.1.1

OR

f5 big-ip_next_cgnat_cnfMatch2.1.0

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f5 big-ip_next_cgnat_cnfMatch2.0.3

OR

f5 big-ip_next_cgnat_cnfMatch2.0.2

OR

f5 big-ip_next_cgnat_cnfMatch2.0.1

OR

f5 big-ip_next_cgnat_cnfMatch2.0.0

OR

f5 big-ip_next_cgnat_cnfMatch1.4.1

OR

f5 big-ip_next_cgnat_cnfMatch1.4.0

OR

f5 big-ip_next_cgnat_cnfMatch1.3.3

OR

f5 big-ip_next_cgnat_cnfMatch1.3.2

OR

f5 big-ip_next_cgnat_cnfMatch1.3.1

OR

f5 big-ip_next_cgnat_cnfMatch1.3.0

OR

f5 big-ip_next_cgnat_cnfMatch1.2.1

OR

f5 big-ip_next_cgnat_cnfMatch1.2.0

OR

f5 big-ip_next_cgnat_cnfMatch1.1.1

OR

f5 big-ip_next_cgnat_cnfMatch1.1.0

OR

f5 big-ip_next_dns_cnfMatch2.2.1

OR

f5 big-ip_next_dns_cnfMatch2.2.0

OR

f5 big-ip_next_dns_cnfMatch2.1.1

OR

f5 big-ip_next_dns_cnfMatch2.1.0

OR

f5 big-ip_next_dns_cnfMatch2.0.3

OR

f5 big-ip_next_dns_cnfMatch2.0.2

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f5 big-ip_next_dns_cnfMatch2.0.1

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f5 big-ip_next_dns_cnfMatch2.0.0

OR

f5 big-ip_next_dns_cnfMatch1.4.1

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f5 big-ip_next_dns_cnfMatch1.4.0

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f5 big-ip_next_dns_cnfMatch1.3.3

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f5 big-ip_next_dns_cnfMatch1.3.2

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f5 big-ip_next_dns_cnfMatch1.3.1

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f5 big-ip_next_dns_cnfMatch1.3.0

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f5 big-ip_next_dns_cnfMatch1.2.1

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f5 big-ip_next_dns_cnfMatch1.2.0

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f5 big-ip_next_dns_cnfMatch1.1.1

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f5 big-ip_next_dns_cnfMatch1.1.0

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f5 big-ip_next_edge_firewall_cnfMatch2.2.1

OR

f5 big-ip_next_edge_firewall_cnfMatch2.2.0

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f5 big-ip_next_edge_firewall_cnfMatch2.1.1

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f5 big-ip_next_edge_firewall_cnfMatch2.1.0

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f5 big-ip_next_edge_firewall_cnfMatch2.0.3

OR

f5 big-ip_next_edge_firewall_cnfMatch2.0.2

OR

f5 big-ip_next_edge_firewall_cnfMatch2.0.1

OR

f5 big-ip_next_edge_firewall_cnfMatch2.0.0

OR

f5 big-ip_next_edge_firewall_cnfMatch1.4.1

OR

f5 big-ip_next_edge_firewall_cnfMatch1.4.0

OR

f5 big-ip_next_edge_firewall_cnfMatch1.3.3

OR

f5 big-ip_next_edge_firewall_cnfMatch1.3.2

OR

f5 big-ip_next_edge_firewall_cnfMatch1.3.1

OR

f5 big-ip_next_edge_firewall_cnfMatch1.3.0

OR

f5 big-ip_next_edge_firewall_cnfMatch1.2.1

OR

f5 big-ip_next_edge_firewall_cnfMatch1.2.0

OR

f5 big-ip_next_edge_firewall_cnfMatch1.1.1

OR

f5 big-ip_next_edge_firewall_cnfMatch1.1.0

OR

f5 big-ip_next_for_kubernetesMatch2.2.1

OR

f5 big-ip_next_for_kubernetesMatch2.2.0

OR

f5 big-ip_next_for_kubernetesMatch2.1.1

OR

f5 big-ip_next_for_kubernetesMatch2.1.0

OR

f5 big-ip_next_for_kubernetesMatch2.0.0

OR

f5 big-ip_next_spkMatch2.0.3

OR

f5 big-ip_next_spkMatch2.0.2

OR

f5 big-ip_next_spkMatch2.0.1

OR

f5 big-ip_next_spkMatch2.0.0

OR

f5 big-ip_next_spkMatch1.9.2

OR

f5 big-ip_next_spkMatch1.9.1

OR

f5 big-ip_next_spkMatch1.9.0

OR

f5 big-ip_next_spkMatch1.8.2

OR

f5 big-ip_next_spkMatch1.8.0

OR

f5 big-ip_next_spkMatch1.7.16

OR

f5 big-ip_next_spkMatch1.7.15

OR

f5 big-ip_next_spkMatch1.7.14

OR

f5 big-ip_next_spkMatch1.7.13

OR

f5 big-ip_next_spkMatch1.7.12

OR

f5 big-ip_next_spkMatch1.7.11

OR

f5 big-ip_next_spkMatch1.7.10

OR

f5 big-ip_next_spkMatch1.7.9

OR

f5 big-ip_next_spkMatch1.7.8

OR

f5 big-ip_next_spkMatch1.7.7

OR

f5 big-ip_next_spkMatch1.7.6

OR

f5 big-ip_next_spkMatch1.7.5

OR

f5 big-ip_next_spkMatch1.7.4

OR

f5 big-ip_next_spkMatch1.7.3

OR

f5 big-ip_next_spkMatch1.7.2

OR

f5 big-ip_next_spkMatch1.7.1

OR

f5 big-ip_next_spkMatch1.7.0

OR

f5 big-ip_afmMatch21.0.0

OR

f5 big-ip_afmMatch17.5.1

OR

f5 big-ip_afmMatch17.5.0

OR

f5 big-ip_afmMatch17.1.3

OR

f5 big-ip_afmMatch17.1.2

OR

f5 big-ip_afmMatch17.1.1

OR

f5 big-ip_afmMatch17.1.0

OR

f5 big-ip_afmMatch16.1.6

OR

f5 big-ip_afmMatch16.1.5

OR

f5 big-ip_afmMatch16.1.4

OR

f5 big-ip_afmMatch16.1.3

OR

f5 big-ip_afmMatch16.1.2

OR

f5 big-ip_afmMatch16.1.1

OR

f5 big-ip_afmMatch16.1.0

OR

f5 big-ip_analyticsMatch21.0.0

OR

f5 big-ip_analyticsMatch17.5.1

OR

f5 big-ip_analyticsMatch17.5.0

OR

f5 big-ip_analyticsMatch17.1.3

OR

f5 big-ip_analyticsMatch17.1.2

OR

f5 big-ip_analyticsMatch17.1.1

OR

f5 big-ip_analyticsMatch17.1.0

OR

f5 big-ip_analyticsMatch16.1.6

OR

f5 big-ip_analyticsMatch16.1.5

OR

f5 big-ip_analyticsMatch16.1.4

OR

f5 big-ip_analyticsMatch16.1.3

OR

f5 big-ip_analyticsMatch16.1.2

OR

f5 big-ip_analyticsMatch16.1.1

OR

f5 big-ip_analyticsMatch16.1.0

OR

f5 big-ip_apmMatch21.0.0

OR

f5 big-ip_apmMatch17.5.1

OR

f5 big-ip_apmMatch17.5.0

OR

f5 big-ip_apmMatch17.1.3

OR

f5 big-ip_apmMatch17.1.2

OR

f5 big-ip_apmMatch17.1.1

OR

f5 big-ip_apmMatch17.1.0

OR

f5 big-ip_apmMatch16.1.6

OR

f5 big-ip_apmMatch16.1.5

OR

f5 big-ip_apmMatch16.1.4

OR

f5 big-ip_apmMatch16.1.3

OR

f5 big-ip_apmMatch16.1.2

OR

f5 big-ip_apmMatch16.1.1

OR

f5 big-ip_apmMatch16.1.0

OR

f5 big-ip_asmMatch21.0.0

OR

f5 big-ip_asmMatch17.5.1

OR

f5 big-ip_asmMatch17.5.0

OR

f5 big-ip_asmMatch17.1.3

OR

f5 big-ip_asmMatch17.1.2

OR

f5 big-ip_asmMatch17.1.1

OR

f5 big-ip_asmMatch17.1.0

OR

f5 big-ip_asmMatch16.1.6

OR

f5 big-ip_asmMatch16.1.5

OR

f5 big-ip_asmMatch16.1.4

OR

f5 big-ip_asmMatch16.1.3

OR

f5 big-ip_asmMatch16.1.2

OR

f5 big-ip_asmMatch16.1.1

OR

f5 big-ip_asmMatch16.1.0

OR

f5 big-ip_ddos_hybrid_defenderMatch21.0.0

OR

f5 big-ip_ddos_hybrid_defenderMatch17.1.0

OR

f5 big-ip_ddos_hybrid_defenderMatch16.1.0

OR

f5 big-ip_dnsMatch21.0.0

OR

f5 big-ip_dnsMatch17.5.1

OR

f5 big-ip_dnsMatch17.5.0

OR

f5 big-ip_dnsMatch17.1.3

OR

f5 big-ip_dnsMatch17.1.2

OR

f5 big-ip_dnsMatch17.1.1

OR

f5 big-ip_dnsMatch17.1.0

OR

f5 big-ip_dnsMatch16.1.6

OR

f5 big-ip_dnsMatch16.1.5

OR

f5 big-ip_dnsMatch16.1.4

OR

f5 big-ip_dnsMatch16.1.3

OR

f5 big-ip_dnsMatch16.1.2

OR

f5 big-ip_dnsMatch16.1.1

OR

f5 big-ip_dnsMatch16.1.0

OR

f5 big-ip_fpsMatch21.0.0

OR

f5 big-ip_fpsMatch17.5.1

OR

f5 big-ip_fpsMatch17.5.0

OR

f5 big-ip_fpsMatch17.1.3

OR

f5 big-ip_fpsMatch17.1.2

OR

f5 big-ip_fpsMatch17.1.1

OR

f5 big-ip_fpsMatch17.1.0

OR

f5 big-ip_fpsMatch16.1.6

OR

f5 big-ip_fpsMatch16.1.5

OR

f5 big-ip_fpsMatch16.1.4

OR

f5 big-ip_fpsMatch16.1.3

OR

f5 big-ip_fpsMatch16.1.2

OR

f5 big-ip_fpsMatch16.1.1

OR

f5 big-ip_fpsMatch16.1.0

OR

f5 big-ip_link_controllerMatch17.5.1

OR

f5 big-ip_link_controllerMatch17.5.0

OR

f5 big-ip_link_controllerMatch17.1.3

OR

f5 big-ip_link_controllerMatch17.1.2

OR

f5 big-ip_link_controllerMatch17.1.1

OR

f5 big-ip_link_controllerMatch17.1.0

OR

f5 big-ip_link_controllerMatch16.1.6

OR

f5 big-ip_link_controllerMatch16.1.5

OR

f5 big-ip_link_controllerMatch16.1.4

OR

f5 big-ip_link_controllerMatch16.1.3

OR

f5 big-ip_link_controllerMatch16.1.2

OR

f5 big-ip_link_controllerMatch16.1.1

OR

f5 big-ip_link_controllerMatch16.1.0

OR

f5 big-ip_ltmMatch21.0.0

OR

f5 big-ip_ltmMatch17.5.1

OR

f5 big-ip_ltmMatch17.5.0

OR

f5 big-ip_ltmMatch17.1.3

OR

f5 big-ip_ltmMatch17.1.2

OR

f5 big-ip_ltmMatch17.1.1

OR

f5 big-ip_ltmMatch17.1.0

OR

f5 big-ip_ltmMatch16.1.6

OR

f5 big-ip_ltmMatch16.1.5

OR

f5 big-ip_ltmMatch16.1.4

OR

f5 big-ip_ltmMatch16.1.3

OR

f5 big-ip_ltmMatch16.1.2

OR

f5 big-ip_ltmMatch16.1.1

OR

f5 big-ip_ltmMatch16.1.0

OR

f5 big-ip_pemMatch21.0.0

OR

f5 big-ip_pemMatch17.5.1

OR

f5 big-ip_pemMatch17.5.0

OR

f5 big-ip_pemMatch17.1.3

OR

f5 big-ip_pemMatch17.1.2

OR

f5 big-ip_pemMatch17.1.1

OR

f5 big-ip_pemMatch17.1.0

OR

f5 big-ip_pemMatch16.1.6

OR

f5 big-ip_pemMatch16.1.5

OR

f5 big-ip_pemMatch16.1.4

OR

f5 big-ip_pemMatch16.1.3

OR

f5 big-ip_pemMatch16.1.2

OR

f5 big-ip_pemMatch16.1.1

OR

f5 big-ip_pemMatch16.1.0

OR

f5 big-ip_ssl_orchestratorMatch21.0.0

OR

f5 big-ip_ssl_orchestratorMatch17.5.0

OR

f5 big-ip_ssl_orchestratorMatch17.1.3

OR

f5 big-ip_ssl_orchestratorMatch17.1.1

OR

f5 big-ip_ssl_orchestratorMatch17.1.0

OR

f5 big-ip_ssl_orchestratorMatch16.1.4

OR

f5 big-ip_ssl_orchestratorMatch16.1.3

OR

f5 big-ip_ssl_orchestratorMatch16.1.1

OR

f5 big-ip_ssl_orchestratorMatch16.1.0

OR

f5 f5_ai_gatewayMatch1.2.0

OR

f5 f5_ai_gatewayMatch1.1.1

OR

f5 f5_ai_gatewayMatch1.1.0

OR

f5 f5_ai_gatewayMatch1.0.2

OR

f5 f5_ai_gatewayMatch1.0.1

OR

f5 f5_ai_gatewayMatch1.0.0

OR

f5 f5_dos_for_nginxMatch4.8.0

OR

f5 f5_waf_for_nginxMatch5.11.2

OR

f5 f5_waf_for_nginxMatch5.11.1

OR

f5 f5_waf_for_nginxMatch5.11.0

OR

f5 f5_waf_for_nginxMatch5.10.1

OR

f5 f5_waf_for_nginxMatch5.10.0

OR

f5 f5_waf_for_nginxMatch5.9.1

OR

f5 f5_waf_for_nginxMatch5.9.0

OR

f5 nginx_agentMatch3.7.1

OR

f5 nginx_agentMatch3.7.0

OR

f5 nginx_agentMatch3.6.2

OR

f5 nginx_agentMatch3.6.1

OR

f5 nginx_agentMatch3.6.0

OR

f5 nginx_agentMatch3.5.1

OR

f5 nginx_agentMatch3.5.0

OR

f5 nginx_agentMatch3.4.2

OR

f5 nginx_agentMatch3.4.1

OR

f5 nginx_agentMatch3.4.0

OR

f5 nginx_agentMatch3.3.2

OR

f5 nginx_agentMatch3.3.1

OR

f5 nginx_agentMatch3.3.0

OR

f5 nginx_agentMatch3.2.1

OR

f5 nginx_agentMatch3.2.0

OR

f5 nginx_agentMatch3.1.0

OR

f5 nginx_agentMatch3.0.1

OR

f5 nginx_agentMatch3.0.0

OR

f5 nginx_agentMatch2.45.2

OR

f5 nginx_agentMatch2.45.1

OR

f5 nginx_agentMatch2.45.0

OR

f5 nginx_agentMatch2.44.0

OR

f5 nginx_agentMatch2.43.0

OR

f5 nginx_agentMatch2.42.2

OR

f5 nginx_agentMatch2.42.1

OR

f5 nginx_agentMatch2.42.0

OR

f5 nginx_agentMatch2.41.2

OR

f5 nginx_agentMatch2.41.1

OR

f5 nginx_agentMatch2.41.0

OR

f5 nginx_agentMatch2.40.1

OR

f5 nginx_agentMatch2.40.0

OR

f5 nginx_agentMatch2.39.0

OR

f5 nginx_agentMatch2.38.0

OR

f5 nginx_agentMatch2.37.0

OR

f5 nginx_agentMatch2.36.1

OR

f5 nginx_agentMatch2.36.0

OR

f5 nginx_agentMatch2.35.1

OR

f5 nginx_agentMatch2.35.0

OR

f5 nginx_agentMatch2.34.1

OR

f5 nginx_agentMatch2.34.0

OR

f5 nginx_agentMatch2.33.0

OR

f5 nginx_agentMatch2.32.2

OR

f5 nginx_agentMatch2.32.1

OR

f5 nginx_app_protect_dosMatch4.7.0

OR

f5 nginx_app_protect_dosMatch4.6.0

OR

f5 nginx_app_protect_dosMatch4.5.0

OR

f5 nginx_app_protect_dosMatch4.4.0

OR

f5 nginx_app_protect_dosMatch4.3.0

OR

f5 nginx_app_protect_wafMatch5.8.0

OR

f5 nginx_app_protect_wafMatch5.7.0

OR

f5 nginx_app_protect_wafMatch5.6.0

OR

f5 nginx_app_protect_wafMatch5.5.0

OR

f5 nginx_app_protect_wafMatch5.4.0

OR

f5 nginx_app_protect_wafMatch5.3.0

OR

f5 nginx_app_protect_wafMatch5.2.0

OR

f5 nginx_app_protect_wafMatch5.1.0

OR

f5 nginx_app_protect_wafMatch5.0.0

OR

f5 nginx_app_protect_wafMatch4.16.0

OR

f5 nginx_app_protect_wafMatch4.15.0

OR

f5 nginx_app_protect_wafMatch4.14.0

OR

f5 nginx_app_protect_wafMatch4.13.0

OR

f5 nginx_app_protect_wafMatch4.12.0

OR

f5 nginx_app_protect_wafMatch4.11.0

OR

f5 nginx_app_protect_wafMatch4.10.0

OR

f5 nginx_app_protect_wafMatch4.9.0

OR

f5 nginx_app_protect_wafMatch4.8.1

OR

f5 nginx_gateway_fabricMatch2.4.2

OR

f5 nginx_gateway_fabricMatch2.4.1

OR

f5 nginx_gateway_fabricMatch2.4.0

OR

f5 nginx_gateway_fabricMatch2.3.0

OR

f5 nginx_gateway_fabricMatch2.2.2

OR

f5 nginx_gateway_fabricMatch2.2.1

OR

f5 nginx_gateway_fabricMatch2.2.0

OR

f5 nginx_gateway_fabricMatch2.1.2

OR

f5 nginx_gateway_fabricMatch2.1.1

OR

f5 nginx_gateway_fabricMatch2.1.0

OR

f5 nginx_gateway_fabricMatch2.0.1

OR

f5 nginx_gateway_fabricMatch2.0.0

OR

f5 nginx_gateway_fabricMatch1.6.2

OR

f5 nginx_gateway_fabricMatch1.6.1

OR

f5 nginx_gateway_fabricMatch1.6.0

OR

f5 nginx_gateway_fabricMatch1.5.1

OR

f5 nginx_gateway_fabricMatch1.5.0

OR

f5 nginx_gateway_fabricMatch1.4.0

OR

f5 nginx_gateway_fabricMatch1.3.0

OR

f5 nginx_gateway_fabricMatch1.2.0

OR

f5 nginx_ingress_controllerMatch5.4.0

OR

f5 nginx_ingress_controllerMatch5.3.4

OR

f5 nginx_ingress_controllerMatch5.3.3

OR

f5 nginx_ingress_controllerMatch5.3.2

OR

f5 nginx_ingress_controllerMatch5.3.1

OR

f5 nginx_ingress_controllerMatch5.3.0

OR

f5 nginx_ingress_controllerMatch5.2.1

OR

f5 nginx_ingress_controllerMatch5.2.0

OR

f5 nginx_ingress_controllerMatch5.1.1

OR

f5 nginx_ingress_controllerMatch5.1.0

OR

f5 nginx_ingress_controllerMatch5.0.0

OR

f5 nginx_ingress_controllerMatch4.0.1

OR

f5 nginx_ingress_controllerMatch4.0.0

OR

f5 nginx_ingress_controllerMatch3.7.2

OR

f5 nginx_ingress_controllerMatch3.7.1

OR

f5 nginx_ingress_controllerMatch3.7.0

OR

f5 nginx_ingress_controllerMatch3.6.2

OR

f5 nginx_ingress_controllerMatch3.6.1

OR

f5 nginx_ingress_controllerMatch3.6.0

OR

f5 nginx_ingress_controllerMatch3.5.2

OR

f5 nginx_ingress_controllerMatch3.5.1

OR

f5 nginx_ingress_controllerMatch3.5.0

OR

f5 nginx_instance_managerMatch2.21.1

OR

f5 nginx_instance_managerMatch2.21.0

OR

f5 nginx_instance_managerMatch2.20.1

OR

f5 nginx_instance_managerMatch2.20.0

OR

f5 nginx_instance_managerMatch2.19.3

OR

f5 nginx_instance_managerMatch2.19.2

OR

f5 nginx_instance_managerMatch2.19.1

OR

f5 nginx_instance_managerMatch2.19.0

OR

f5 nginx_instance_managerMatch2.18.1

OR

f5 nginx_instance_managerMatch2.18.0

OR

f5 nginx_instance_managerMatch2.17.4

OR

f5 nginx_instance_managerMatch2.17.3

OR

f5 nginx_instance_managerMatch2.17.2

OR

f5 nginx_instance_managerMatch2.17.1

OR

f5 nginx_instance_managerMatch2.17.0

OR

f5 nginx_instance_managerMatch2.16.0

OR

f5 nginx_plusMatchr36

OR

f5 nginx_plusMatchr35

OR

f5 nginx_plusMatchr34

OR

f5 nginx_plusMatchr33

OR

f5 nginx_plusMatchr32

OR

f5 f5os-aMatch1.8.3

OR

f5 f5os-aMatch1.8.0

OR

f5 f5os-aMatch1.5.4

OR

f5 f5os-aMatch1.5.3

OR

f5 f5os-aMatch1.5.2

OR

f5 f5os-aMatch1.5.1

OR

f5 f5os-cMatch1.8.2

OR

f5 f5os-cMatch1.8.1

OR

f5 f5os-cMatch1.8.0

OR

f5 f5os-cMatch1.6.4

OR

f5 f5os-cMatch1.6.2

OR

f5 f5os-cMatch1.6.1

OR

f5 f5os-cMatch1.6.0

OR

f5 big-iq_centralized_managementMatch8.4.1

OR

f5 big-iq_centralized_managementMatch8.4.0

OR

f5 big-iq_centralized_managementMatch8.3.0

OR

f5 traffix_sdcMatch5.2.0

24 Mar 2026 13:15Current

5.8Medium risk

Vulners AI Score5.8

CVSS 3.13.7

CVSS 46.3

EPSS0.00031

SSVC

crlf injection nginx mail module upstream requests domain name responses data plane