CVEs / CVE-2026-95101
CVE-2026-95101: F5 NGINX Plus vulnerability
- medium 6.9 CVSS 4.0 (from the CNA)
- EPSS 0.34% chance of exploitation in the next 30 days, higher than 28% of CVEs (30 Oct 2026)
- Last changed at its sources
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Description
Description NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_v3_module module. When using HTTP/3 with proxy_request_buffering on directive, an unauthenticated attacker may be able to inject data in the proxied request. Impact This vulnerability may allow remote attackers to inject data in the proxied request. 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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| F5 NGINX Plus | from 37.1.0, before 37.2.0.1 | 37.2.0.1 |
| F5 NGINX Plus | from 37.0.0, before 37.0.7.1 | 37.0.7.1 |
| F5 NGINX Plus | from R36 onwards | — |
| F5 NGINX Plus | from R35 onwards | — |
| F5 NGINX Plus | from R34 onwards | — |
| F5 NGINX Plus | from R33 onwards | — |
| F5 NGINX Open Source | from 1.31.0, before 1.31.7 | 1.31.7 |
| F5 NGINX Open Source | from 1.30.0, before 1.30.6 | 1.30.6 |
| F5 NGINX Open Source | from 1.25.0 onwards | — |
Exploitation
Not in the CISA Known Exploited Vulnerabilities catalog as of 30 Oct 2026.
Severity
| CVSS 4.0 | 6.9 mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-172 |
On the Stackurity blog
References
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
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