What is CVE-2026-95101?

CVE-2026-95101 is a medium-severity vulnerability in F5 nginx Open Source, classified under CWE-172. CVSS score: 5.3/10. Published 2026-10-14.

How severe is CVE-2026-95101?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in F5 nginx Open Source

CVE-2026-95101

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.

Published 2026-10-14 · last modified 2026-10-14.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-172

References

my.f5.com/manage/s/article/K000162613 (vendor-advisory)

Frequently asked questions

What is CVE-2026-95101?: CVE-2026-95101 is a medium-severity vulnerability in F5 nginx Open Source, classified under CWE-172. CVSS score: 5.3/10. Published 2026-10-14.
How severe is CVE-2026-95101?: Medium severity. CVSS v3 base score is 5.3 out of 10.