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CVE-2026-97629

NGINX ngx_http_ssl_module vulnerability PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
F5 / NGINX Plusaffected 37.1.0 before 37.1.0.1; affected 37.0.0 before 37.0.5.1; affected R36 before *; affected R35 before *; affected R34 before *; affected R33 before *
F5 / NGINX Open Sourceaffected 1.31.0 before 1.31.7; affected 1.30.0 before 1.30.6; affected 1.23.3 before *

CWE

CWE-908

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.