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        "state": "PUBLISHED",
        "assignerShortName": "mitre",
        "dateReserved": "2026-09-10T19:52:46.560Z",
        "datePublished": "2026-09-10T19:52:47.039Z",
        "dateUpdated": "2026-09-10T21:00:25.030Z"
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                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:opam/jose",
                    "product": "jose",
                    "vendor": "OCaml",
                    "versions": [
                        {
                            "lessThan": "0.11.0",
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                    "lang": "en",
                    "value": "In the jose package before 0.11.0 for OCaml, library calls to validate an RSA signature only confirm that PKCS #1 decoding succeeds, and proceed to declare the signature valid without the required steps that involve the public key."
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                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
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                        "baseScore": 9.1,
                        "baseSeverity": "CRITICAL",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
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                    "descriptions": [
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                            "cweId": "CWE-347",
                            "description": "CWE-347 Improper Verification of Cryptographic Signature",
                            "lang": "en",
                            "type": "CWE"
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            "references": [
                {
                    "url": "https://github.com/ulrikstrid/ocaml-jose/commit/cf17d991ec6a0d1997956b6c7799890f9c28879e"
                },
                {
                    "url": "https://osv.dev/vulnerability/OSEC-2026-19"
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                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2026-89086",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
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                                        "Automatable": "yes"
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                                        "Technical Impact": "total"
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                                "version": "2.0.3",
                                "timestamp": "2026-09-10T20:40:09.935199Z"
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                "title": "CISA ADP Vulnrichment",
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