{"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":"2026-06-22T16:21:31.946Z"},"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":[{"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"}},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-22T16:21:21.141230Z","id":"CVE-2026-49871","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-22T16:21:31.946Z"}}]}}