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CVE-2026-8711

Medium priority
Needs evaluation

NGINX JavaScript has a vulnerability when the js_fetch_proxy directive is configured with at least one client-controlled NGINX variable (for example, $http_*, $arg_*, $cookie_*) and a location invoking the ngx.fetch() operation...

1 affected package

libnginx-mod-js

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libnginx-mod-js Needs evaluation Needs evaluation Not in release
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CVE-2026-42945

High priority

Some fixes available 4 of 8

NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Fixed Fixed Fixed Needs evaluation Needs evaluation
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CVE-2026-42946

Medium priority
Needs evaluation

A vulnerability exists in the ngx_http_scgi_module and ngx_http_uwsgi_module modules that may result in excessive memory allocation or an over-read of data. When scgi_pass or uwsgi_pass is configured, an unauthenticated attacker...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-42934

Medium priority
Needs evaluation

NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_charset_module module. When charset, source_charset, and charset_map and proxy_pass with disabled buffering ("off") directives are configured, unauthenticated...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-42926

Medium priority
Needs evaluation

When NGINX Open Source is configured to proxy HTTP/2 traffic by setting proxy_http_version to 2, and also uses proxy_set_body, an attacker may be able to inject frame headers and payload bytes to the upstream peer.  Note: Software...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-40701

Medium priority
Needs evaluation

NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_ssl_module module when the ssl_verify_client directive is set to "on" or "optional," and the ssl_ocsp directive is set to "on" or the leaf parameters are...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-40460

Medium priority
Needs evaluation

When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting.  Note: Software versions...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-32647

Medium priority

Some fixes available 3 of 7

NGINX Open Source and NGINX Plus have a vulnerability in the ngx_http_mp4_module module, which might allow an attacker to trigger a buffer over-read or over-write to the NGINX worker memory resulting in its termination or possibly...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Not affected Fixed Fixed Needs evaluation Needs evaluation
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CVE-2026-28755

Medium priority
Fixed

NGINX Plus and NGINX Open Source have a vulnerability in the ngx_stream_ssl_module module due to the improper handling of revoked certificates when configured with the ssl_verify_client on and ssl_ocsp on directives, allowing the...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Not affected Fixed Not affected Not affected Not affected
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CVE-2026-28753

Medium priority

Some fixes available 3 of 7

NGINX Plus and NGINX Open Source have a vulnerability in the ngx_mail_smtp_module module due to the improper handling of CRLF sequences in DNS responses. This allows an attacker-controlled DNS server to inject arbitrary headers...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Not affected Fixed Fixed Needs evaluation Needs evaluation
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