{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-32881", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-16T21:03:44.420Z", "datePublished": "2026-03-20T01:18:55.382Z", "dateUpdated": "2026-03-20T01:18:55.382Z"}, "containers": {"cna": {"title": "ewe has an Overly Permissive List of Allowed Inputs", "problemTypes": [{"descriptions": [{"cweId": "CWE-183", "lang": "en", "description": "CWE-183: Permissive List of Allowed Inputs", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"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"}}], "references": [{"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"}, {"name": "https://github.com/vshakitskiy/ewe/commit/07dcfd2135fc95f38c17a9d030de3d7efee1ee39", "tags": ["x_refsource_MISC"], "url": "https://github.com/vshakitskiy/ewe/commit/07dcfd2135fc95f38c17a9d030de3d7efee1ee39"}, {"name": "https://github.com/vshakitskiy/ewe/commit/94ab6e7bf7293e987ae98b4daa51ea131c2671ba", "tags": ["x_refsource_MISC"], "url": "https://github.com/vshakitskiy/ewe/commit/94ab6e7bf7293e987ae98b4daa51ea131c2671ba"}, {"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"}], "affected": [{"vendor": "vshakitskiy", "product": "ewe", "versions": [{"version": ">= 0.6.0, < 3.0.5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-20T01:18:55.382Z"}, "descriptions": [{"lang": "en", "value": "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., those set by a reverse proxy). This enables attackers to forge authentication credentials, hijack sessions, bypass IP-based rate limiting, or spoof proxy-trust headers in any downstream middleware that reads headers after ewe.read_body is called. This issue has been fixed in version 3.0.5."}], "source": {"advisory": "GHSA-9w88-79f8-m3vp", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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., those set by a reverse proxy). This enables attackers to forge authentication credentials, hijack sessions, bypass IP-based rate limiting, or spoof proxy-trust headers in any downstream middleware that reads headers after ewe.read_body is called. This issue has been fixed in version 3.0.5."}], "id": "CVE-2026-32881", "lastModified": "2026-03-20T02:16:36.237", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-03-20T02:16:36.237", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/vshakitskiy/ewe/commit/07dcfd2135fc95f38c17a9d030de3d7efee1ee39"}, {"source": "security-advisories@github.com", "url": "https://github.com/vshakitskiy/ewe/commit/94ab6e7bf7293e987ae98b4daa51ea131c2671ba"}, {"source": "security-advisories@github.com", "url": "https://github.com/vshakitskiy/ewe/releases/tag/v3.0.5"}, {"source": "security-advisories@github.com", "url": "https://github.com/vshakitskiy/ewe/security/advisories/GHSA-9w88-79f8-m3vp"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-183"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.6.0,3.0.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "ewe", "source": "cna", "vendor": "vshakitskiy"}, "product": "ewe", "vendor": "vshakitskiy"}], "created": "2026-03-20T08:53:38.660254+00:00", "updated": "2026-03-20T08:53:38.660337+00:00", "vendors": ["vshakitskiy", "vshakitskiy$PRODUCT$ewe"]}