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. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://my.f5.com/manage/s/article/K000161131 |
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History
Wed, 13 May 2026 16:15:00 +0000
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| Metrics |
ssvc
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Wed, 13 May 2026 15:15:00 +0000
| Type | Values Removed | Values Added |
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| Description | 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. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated. | |
| Title | NGINX ngx_http_proxy_v2_module vulnerability | |
| Weaknesses | CWE-172 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: f5
Published:
Updated: 2026-05-13T16:06:30.263Z
Reserved: 2026-05-05T21:19:09.531Z
Link: CVE-2026-42926
Updated: 2026-05-13T16:06:25.462Z
Status : Awaiting Analysis
Published: 2026-05-13T16:16:49.640
Modified: 2026-05-13T16:27:11.127
Link: CVE-2026-42926
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OpenCVE Enrichment
No data.