imPC@ndo IT

Tracker / CVE-2026-28755

CVE-2026-28755

Medium 5.4

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 TLS handshake to succeed even after an OCSP check identifies the certificate as revoked.   Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products and versions

f5 nginx_open_source · 0.5.13 → 0.9.7
f5 nginx_open_source · 1.27.2 → 1.28.3
f5 nginx_open_source · 1.29.0 → 1.29.7
f5 nginx_plus

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References