Search/CVE-2026-42946
● CVE — Medium

CVE-2026-42946

Vendorf5Productnginx ingress controller, nginx instance manager, nginx plus, nginx open source, nginx gateway fabric, dos, wafDiscoveredMay 13, 2026UpdatedOct 26, 2026

A vulnerability exists in the ngx_http_scgi_module and ngx_http_uwsgi_module modules that may result in excessive memory allocation or an over-read of data. When scgi_pass or uwsgi_pass is configured, an unauthenticated attacker with man-in-the-middle (MITM) ability to control responses from an upstream server may be able to read the memory of the NGINX worker process or restart it. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS v3.1
6.5 MEDIUM
EPSS
0.93%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
1
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Sep 25, 2026 → Oct 3, 2026
▲ 0.44pp
0.49% → 0.93% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityHIGH
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityNONE
AvailabilityLOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L
Connections
10 relationships
Timeline
disclosure → media coverage
May 13, 2026
Disclosure — published as a CVE record. · last revised by NVD Oct 26, 2026
Jun 1, 2026
ubuntu.com reports: USN-8354-1: nginx vulnerabilities