CVE-2026-28755 (GCVE-0-2026-28755)
Vulnerability from cvelistv5
Published
2026-03-24 14:13
Modified
2026-03-24 15:24
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
5.3 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
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.
References
Impacted products
Vendor Product Version
F5 NGINX Open Source Version: 1.29.0   ≤
Version: 1.27.2   ≤
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   F5 NGINX Plus Version: R36   < R36 P3
Version: R35   < R35 P2
Version: R34   < *
Version: R33   < *
 Create a notification for this product.
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