{"id":"CVE-2026-41891","state":"PUBLISHED","title":"CI4MS: Deactivated User Session Bypass (active=0)","description":"CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. From version 0.26.0 to before version 0.31.8.0, the auth filter has the deactivated/banned user check commented out. This issue has been patched in version 0.31.8.0.","publishedAt":"2026-05-07T03:24:43.940Z","updatedAt":"2026-05-07T12:47:44.069Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["ci4-cms-erp ci4ms"],"affected":[{"vendor":"ci4-cms-erp","product":"ci4ms","versions":[{"version":">= 0.26.0, < 0.31.8.0","status":"affected"}]}],"references":["https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-5hfv-c864-qcq9","https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.8.0"],"weaknesses":["CWE-613"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/41xxx/CVE-2026-41891.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41891","state":"PUBLISHED","datePublished":"2026-05-07T03:24:43.940Z","dateUpdated":"2026-05-07T12:47:44.069Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-22T15:11:54.671Z"},"containers":{"cna":{"title":"CI4MS: Deactivated User Session Bypass (active=0)","descriptions":[{"lang":"en","value":"CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. From version 0.26.0 to before version 0.31.8.0, the auth filter has the deactivated/banned user check commented out. This issue has been patched in version 0.31.8.0."}],"affected":[{"vendor":"ci4-cms-erp","product":"ci4ms","versions":[{"version":">= 0.26.0, < 0.31.8.0","status":"affected"}]}],"references":[{"url":"https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-5hfv-c864-qcq9","name":"https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-5hfv-c864-qcq9","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.8.0","name":"https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.8.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-613","lang":"en","description":"CWE-613: Insufficient Session Expiration","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-07T03:24:43.940Z"},"source":{"advisory":"GHSA-5hfv-c864-qcq9","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-07T12:47:29.230296Z","id":"CVE-2026-41891","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-07T12:47:44.069Z"}}]}}}