{"dataType": "CVE_RECORD", "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": "2026-06-19T16:49:57.460Z"}, "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\u00a0remote 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": [{"cvssV4_0": {"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", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-352", "description": "CWE-352 Cross-Site Request Forgery (CSRF)", "lang": "en", "type": "CWE"}]}], "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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