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        "state": "PUBLISHED",
        "assignerShortName": "apache",
        "dateReserved": "2026-06-17T18:04:49.663Z",
        "datePublished": "2026-06-29T20:44:39.779Z",
        "dateUpdated": "2026-06-30T13:22:14.917Z"
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                    "defaultStatus": "unaffected",
                    "product": "Apache Tomcat",
                    "vendor": "Apache Software Foundation",
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                            "lessThanOrEqual": "11.0.22",
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                            "version": "11.0.0-M1",
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                            "version": "10.1.0-M1",
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                            "lessThanOrEqual": "9.0.118",
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                            "version": "9.0.13",
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                            "version": "8.5.38",
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                            "value": "<p>Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component.</p><p>This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.13 through 9.0.18, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109.</p><p>Users are recommended to upgrade to version 11.0.23, 10.1.56, 9.0.119, which fixes the issue.</p>"
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                            "description": "CWE-287 Improper Authentication",
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                    "tags": [
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                    "url": "https://lists.apache.org/thread/g4p5sf45p3f9r011pwqs9r54yd64s106"
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            ],
            "source": {
                "discovery": "EXTERNAL"
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            "title": "Apache Tomcat: EncryptInterceptor not protected against replay attacks",
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                        "url": "http://www.openwall.com/lists/oss-security/2026/06/29/24"
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                            "attackVector": "NETWORK",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
                            "integrityImpact": "LOW",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "NONE",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "LOW"
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                            "content": {
                                "timestamp": "2026-06-30T13:21:53.082121Z",
                                "id": "CVE-2026-55955",
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                                        "Exploitation": "none"
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                                "version": "2.0.3"
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