5.4

CVE-2026-28755

NGINX ngx_stream_ssl_module vulnerability

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
F5 ≫ Nginx Plus Version r33
F5 ≫ Nginx Plus Version r33 Update p1
F5 ≫ Nginx Plus Version r33 Update p2
F5 ≫ Nginx Plus Version r33 Update p3
F5 ≫ Nginx Plus Version r34
F5 ≫ Nginx Plus Version r34 Update p1
F5 ≫ Nginx Plus Version r34 Update p2
F5 ≫ Nginx Plus Version r35 Update p1
F5 ≫ Nginx Plus Version r36
F5 ≫ Nginx Plus Version r36 Update p1
F5 ≫ Nginx Plus Version r36 Update p2
F5 ≫ Nginx Open Source Version >= 0.5.13 <= 0.9.7
F5 ≫ Nginx Open Source Version >= 1.27.2 < 1.28.3
F5 ≫ Nginx Open Source Version >= 1.29.0 < 1.29.7
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.13% 0.031
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.4 2.8 2.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
F5 5.3 0 0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
F5 5.4 2.8 2.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE-863 Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

https://my.f5.com/manage/s/article/K000160368
Vendor Advisory
Mitigation