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Red Hat Security Advisory

RHSA-2026:20351

Red Hat Hardened Images RPMs bug fix and enhancement update

Released 2026-05-23 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 4 records

Priority MEDIUM 55

NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module.

CVSS 4.0CRITICAL 9.2 Network No auth No interaction EPSS 0.10856 Published 2026-05-22 Partial fix · 37.0.1.1, R36 P5 +3 CWE-122
Priority MEDIUM 51

NGINX Open Source has a vulnerability in the ngx_http_v3_module module.

CVSS 4.0CRITICAL 9.2 Network No auth No interaction EPSS 0.06218 Published 2026-06-17 Fixed in 1.31.2 CWE-416
TI-2026-29212 CVE-2026-40460 · GHSA-h7rq-f9gq-mc8r

NGINX ngx_quic_module vulnerability

Priority LOW 37

When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting.

CVSS 4.0MEDIUM 6.9 Network No auth No interaction EPSS 0.00373 Published 2026-05-13 Partial fix · R37, R36 P4 +3 CWE-290
TI-2026-31125 CVE-2026-42926 · GHSA-v43f-895r-chhh

NGINX ngx_http_proxy_v2_module vulnerability

Priority LOW 34

When NGINX Open Source is configured to proxy HTTP/2 traffic by setting proxy_http_version to 2, and also uses proxy_set_body, an attacker may be able to inject frame headers and payload bytes to the upstream peer.

CVSS 4.0MEDIUM 6.3 Network No auth No interaction EPSS 0.00346 Published 2026-05-13 Partial fix · 1.31.0, 1.30.1 CWE-172