vuln-cve/data/2026/49xxx/CVE-2026-49871.json

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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-49871",
        "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "state": "PUBLISHED",
        "assignerShortName": "apache",
        "dateReserved": "2026-06-02T02:37:57.807Z",
        "datePublished": "2026-06-19T13:18:36.767Z",
        "dateUpdated": "2026-06-22T16:21:31.946Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "Apache APISIX",
                    "vendor": "Apache Software Foundation",
                    "versions": [
                        {
                            "lessThanOrEqual": "3.16.0",
                            "status": "affected",
                            "version": "3.0.0",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "reporter",
                    "value": "lokerxxx"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>Cross-Site Request Forgery (CSRF) vulnerability in the cas-auth plugin under default configurations.</p><p><span style=\"background-color: rgb(255, 255, 255);\">This defect allows a</span><span style=\"background-color: rgb(255, 255, 255);\">&nbsp;</span><span style=\"background-color: rgb(255, 255, 255);\">remote attacker that manages to send a victim to a webpage controlled by them can cause the victim's browser to become authenticated as a different identity</span><span style=\"background-color: rgb(255, 255, 255);\">.</span></p><p><span style=\"background-color: rgb(255, 255, 255);\">Actions the victim takes upstream are then attributed to attackers identity.</span><br></p><p>This issue affects Apache APISIX: from 3.0.0 through 3.16.0.</p><p>Users are recommended to upgrade to version 3.17.0, which fixes the issue.</p>"
                        }
                    ],
                    "value": "Cross-Site Request Forgery (CSRF) vulnerability in the cas-auth plugin under default configurations.\n\nThis defect allows a remote attacker that manages to send a victim to a webpage controlled by them can cause the victim's browser to become authenticated as a different identity.\n\nActions the victim takes upstream are then attributed to attackers identity.\n\n\nThis issue affects Apache APISIX: from 3.0.0 through 3.16.0.\n\nUsers are recommended to upgrade to version 3.17.0, which fixes the issue."
                }
            ],
            "metrics": [
                {
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                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "attackVector": "NETWORK",
                        "baseScore": 2.1,
                        "baseSeverity": "LOW",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "LOW",
                        "subIntegrityImpact": "LOW",
                        "userInteraction": "ACTIVE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS",
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                            "lang": "en",
                            "value": "GENERAL"
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            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-352",
                            "description": "CWE-352 Cross-Site Request Forgery (CSRF)",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
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            ],
            "providerMetadata": {
                "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
                "shortName": "apache",
                "dateUpdated": "2026-06-19T13:18:36.767Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.apache.org/thread/1ozsnss0lof4gpwq763d66oxwxt3sycp"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "Apache APISIX: cas-auth login CSRF / session injection issue",
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://www.openwall.com/lists/oss-security/2026/06/19/14"
                    }
                ],
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2026-06-19T16:49:57.460Z"
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            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-06-22T16:21:21.141230Z",
                                "id": "CVE-2026-49871",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-06-22T16:21:31.946Z"
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}