CVE-2026-28898

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{"affected": [{"affectedData": [{"product": "swift-nio-http2", "vendor": "Apple", "versions": [{"lessThan": "1.44.1", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apple:swiftnio_http\\/2:*:*:*:*:*:swift:*:*", "matchCriteriaId": "91CCCE93-4741-4933-979E-CA213FCE87E0", "versionEndExcluding": "1.44.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "swift-nio-http2's HTTP/2-to-HTTP/1.1 codec did not validate pseudo-header values for control characters before placing them into the translated HTTP/1.1 message. swift-nio-http2 1.44.1 adds validation of all pseudo-header values (:path, :authority, :scheme, :method, and :status) at both the HPACK header validation layer and the HTTP/2-to-HTTP/1.1 translation layer. Requests or responses containing CR, LF, or NUL bytes in any pseudo-header value are now rejected with a connection error. This issue is fixed in swift-nio-http2 1.44.1."}, {"lang": "es", "value": "El c\u00f3dec de HTTP/2 a HTTP/1.1 de swift-nio-http2 no validaba los valores de pseudo-encabezado en busca de caracteres de control antes de colocarlos en el mensaje HTTP/1.1 traducido. swift-nio-http2 1.44.1 a\u00f1ade la validaci\u00f3n de todos los valores de pseudo-encabezado (:path, :authority, :scheme, :method y :status) tanto en la capa de validaci\u00f3n de encabezados HPACK como en la capa de traducci\u00f3n de HTTP/2 a HTTP/1.1. Las solicitudes o respuestas que contienen bytes CR, LF o NUL en cualquier valor de pseudo-encabezado ahora son rechazadas con un error de conexi\u00f3n. Este problema est\u00e1 solucionado en swift-nio-http2 1.44.1."}], "id": "CVE-2026-28898", "lastModified": "2026-10-25T22:10:00.150", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-28898", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-25T19:28:33.856470Z", "version": "2.0.3"}}]}, "published": "2026-06-25T19:16:36.977", "references": [{"source": "product-security@apple.com", "tags": ["Third Party Advisory"], "url": "https://github.com/advisories/GHSA-4px2-pw77-vc85"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-116"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.44.1)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "matching", "scores": [{"score": 95.0, "source": "matching"}]}, "original": {"product": "swift-nio-http2", "source": "cna", "vendor": "Apple"}, "product": "swiftnio_http/2", "vendor": "apple"}], "created": "2026-06-25T21:30:11.753318+00:00", "title": "Control Characters in HTTP/2 Pseudo-Headers Not Validated in swift-nio-http2", "updated": "2026-06-26T07:15:16.846664+00:00", "vendors": ["apple", "apple$PRODUCT$swiftnio_http/2"]}