CVE-2026-71892Published

CMS key-transport recipient key-size validation never runs for RFC 9709 HKDF-derived keys

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-71892

Published

bcpkix

https://www.bouncycastle.org/download/bouncy-castle-java/

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Legion of the Bouncy Castle Inc.",
                    "product": "BC-JAVA",
                    "platforms": [
                        "all"
                    ],
                    "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
                    "packageName": "bcpkix",
                    "repo": "https://github.com/bcgit/bc-java",
                    "packageURL": "pkg:maven/org.bouncycastle/bcpkix-jdk18on",
                    "modules": [
                        "pkix"
                    ],
                    "programFiles": [
                        "JceKeyTransRecipient"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "1.78",
                            "lessThan": "1.86",
                            "versionType": "maven"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

bcpkix-fips

https://www.bouncycastle.org/download/bouncy-castle-java-fips/

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Legion of the Bouncy Castle Inc.",
                    "product": "BC-FJA",
                    "platforms": [
                        "all"
                    ],
                    "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
                    "packageName": "bcpkix-fips",
                    "packageURL": "pkg:maven/org.bouncycastle/bcpkix-fips",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2.0.7",
                            "lessThan": "2.0.13",
                            "versionType": "maven"
                        },
                        {
                            "status": "affected",
                            "version": "2.1.0",
                            "lessThan": "2.1.13",
                            "versionType": "maven"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON