CVE-2026-42926
Full vulnerability record from the local CVENow database.
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.
Severity
MEDIUM
CVSS score
6.3
(v4.0)
Vulnerability status
Analyzed
Source identifier
Published
2026-05-13 16:16:49.640000
Last modified
2026-10-26 14:10:00.130000
View original CVE JSON
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"sourceIdentifier": "[email protected]",
"published": "2026-05-13T16:16:49.640",
"lastModified": "2026-10-26T14:10:00.130",
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