๐Ÿ›ก๏ธ CVE-2026-28755
๐ŸŸก CVSS 5.4 โ€” Medium โœ… No Known Exploit NVD
5.4
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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. ย  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Details

Severity MEDIUM
CVSS Score 5.4
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE N/A
Public Exploit โœ… No
Source NVD
Published 2026-03-27
Updated 2026-06-02
Modified 2026-03-27
Fix URL N/A

Affected Packages

Software From version Fixed in
nginx โ€” โ€”
nginx-gateway โ€” โ€”
nginx-open-source 1.29.0 1.29.7
nginx-plus โ€” โ€”

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