CVE Explorer
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.headers after body parsing, but the denylist only blocks 9 header names. A malicious client can exploit this by declaring these headers in the Trailer field and appending them after the final chunk, causing request.set_header to overwrite legitimate values (e.g
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"ewe","vendor":"vshakitskiy","versions":[{"status":"affected","version":">= 0.6.0, < 3.0.5"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:9eef91b701b2e9a4b54f6cb8e81408b9295cb7c61f8c9c78a8dbc09e57bd3cef · sha256:fbf2765b4eefe63f… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:9eef91b701b2e9a4b54f6cb8e81408b9295cb7c61f8c9c78a8dbc09e57bd3cef · sha256:fbf2765b4eefe63f… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-183","description":"CWE-183: Permissive List of Allowed Inputs","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:9eef91b701b2e9a4b54f6cb8e81408b9295cb7c61f8c9c78a8dbc09e57bd3cef · sha256:fbf2765b4eefe63f… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/vshakitskiy/ewe/commit/07dcfd2135fc95f38c17a9d030de3d7efee1ee39","tags":["x_refsource_MISC"],"url":"https://github.com/vshakitskiy/ewe/commit/07dcfd2135fc95f38c17a9d030de3d7efee1ee39"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9eef91b701b2e9a4b54f6cb8e81408b9295cb7c61f8c9c78a8dbc09e57bd3cef · sha256:fbf2765b4eefe63f… · /containers/cna/references/1
{"name":"https://github.com/vshakitskiy/ewe/commit/94ab6e7bf7293e987ae98b4daa51ea131c2671ba","tags":["x_refsource_MISC"],"url":"https://github.com/vshakitskiy/ewe/commit/94ab6e7bf7293e987ae98b4daa51ea131c2671ba"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9eef91b701b2e9a4b54f6cb8e81408b9295cb7c61f8c9c78a8dbc09e57bd3cef · sha256:fbf2765b4eefe63f… · /containers/cna/references/2
{"name":"https://github.com/vshakitskiy/ewe/releases/tag/v3.0.5","tags":["x_refsource_MISC"],"url":"https://github.com/vshakitskiy/ewe/releases/tag/v3.0.5"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9eef91b701b2e9a4b54f6cb8e81408b9295cb7c61f8c9c78a8dbc09e57bd3cef · sha256:fbf2765b4eefe63f… · /containers/cna/references/3
{"name":"https://github.com/vshakitskiy/ewe/security/advisories/GHSA-9w88-79f8-m3vp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/vshakitskiy/ewe/security/advisories/GHSA-9w88-79f8-m3vp"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9eef91b701b2e9a4b54f6cb8e81408b9295cb7c61f8c9c78a8dbc09e57bd3cef · sha256:fbf2765b4eefe63f… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.