What is CVE-2026-32881?

CVE-2026-32881 is a medium-severity vulnerability in Vshakitskiy Ewe, classified under CWE-183. CVSS score: 5.3/10. Published 2026-03-20.

How severe is CVE-2026-32881?

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

Vulnerability in Vshakitskiy Ewe

CVE-2026-32881

ewe is a Gleam web server. ewe is a Gleam web server. Versions 0.6.0 through 3.0.4 are vulnerable to authentication bypass or spoofed proxy-trust headers. Chunked transfer encoding trailer handling merges declared trailer fields into req.h…

EPSS: 0.001 (25.6th percentile) — read the EPSS interpretation.

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.

Affected products

Vshakitskiy Ewe — versions >= 0.6.0, < 3.0.5

Weakness classification (CWE)

CWE-183

References

https://github.com/vshakitskiy/ewe/security/advisories/GHSA-9w88-79f8-m3vp (x_refsource_CONFIRM)
https://github.com/vshakitskiy/ewe/commit/07dcfd2135fc95f38c17a9d030de3d7efee1ee39 (x_refsource_MISC)
https://github.com/vshakitskiy/ewe/commit/94ab6e7bf7293e987ae98b4daa51ea131c2671ba (x_refsource_MISC)
https://github.com/vshakitskiy/ewe/releases/tag/v3.0.5 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-32881?: CVE-2026-32881 is a medium-severity vulnerability in Vshakitskiy Ewe, classified under CWE-183. CVSS score: 5.3/10. Published 2026-03-20.
How severe is CVE-2026-32881?: Medium severity. CVSS v3 base score is 5.3 out of 10.