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CVE PROGRAM SOURCE RECORD8.3 High

CVE-2026-97629

NGINX ngx_http_ssl_module vulnerability

Description

Description When NGINX Plus or NGINX Open Source is configured with ssl_session_cache shared:name:size without an explicit ssl_session_ticket_key file directives to automatically rotate SSL session ticket keys, a remote unauthenticated attacker is able to forge client SSL sessions in a non-deterministic manner that is beyond the attacker's control. An attacker could leverage this vulnerability to bypass verification of client certificates. Impact This vulnerability can lead to the exposure of resources or functionality to unintended actors, possibly providing attackers with access to sensitive information. There is no control plane exposure; this is a data plane issue only. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

F5 NGINX Plus

Default version status: unknown

  • 37.1.0 to < 37.1.0.1affected
  • 37.0.0 to < 37.0.5.1affected
  • R36 to < *affected
  • R35 to < *affected
  • R34 to < *affected
  • R33 to < *affected

F5 NGINX Open Source

Default version status: unknown

  • 1.31.0 to < 1.31.7affected
  • 1.30.0 to < 1.30.6affected
  • 1.23.3 to < *affected

References