{"id":"CVE-2026-40944","state":"PUBLISHED","title":"Oxia: TLS CA certificate chain validation fails with multi-certificate PEM bundles","description":"Oxia is a metadata store and coordination system. Prior to 0.16.2, the trustedCertPool() function in the TLS configuration only parses the first PEM block from CA certificate files. When a CA bundle contains multiple certificates (e.g., intermediate + root CA), only the first certificate is loaded. This silently breaks certificate chain validation for mTLS. This vulnerability is fixed in 0.16.2.","publishedAt":"2026-04-21T21:14:56.814Z","updatedAt":"2026-04-22T13:18:32.925Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["oxia-db oxia"],"affected":[{"vendor":"oxia-db","product":"oxia","versions":[{"version":"< 0.16.2","status":"affected"}]}],"references":["https://github.com/oxia-db/oxia/security/advisories/GHSA-7jrq-q4pq-rhm6"],"weaknesses":["CWE-295"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/40xxx/CVE-2026-40944.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40944","state":"PUBLISHED","datePublished":"2026-04-21T21:14:56.814Z","dateUpdated":"2026-04-22T13:18:32.925Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-15T20:40:15.519Z"},"containers":{"cna":{"title":"Oxia: TLS CA certificate chain validation fails with multi-certificate PEM bundles","descriptions":[{"lang":"en","value":"Oxia is a metadata store and coordination system. Prior to 0.16.2, the trustedCertPool() function in the TLS configuration only parses the first PEM block from CA certificate files. When a CA bundle contains multiple certificates (e.g., intermediate + root CA), only the first certificate is loaded. This silently breaks certificate chain validation for mTLS. This vulnerability is fixed in 0.16.2."}],"affected":[{"vendor":"oxia-db","product":"oxia","versions":[{"version":"< 0.16.2","status":"affected"}]}],"references":[{"url":"https://github.com/oxia-db/oxia/security/advisories/GHSA-7jrq-q4pq-rhm6","name":"https://github.com/oxia-db/oxia/security/advisories/GHSA-7jrq-q4pq-rhm6","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-295","lang":"en","description":"CWE-295: Improper Certificate Validation","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-21T21:14:56.814Z"},"source":{"advisory":"GHSA-7jrq-q4pq-rhm6","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-22T13:18:24.370962Z","id":"CVE-2026-40944","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-22T13:18:32.925Z"}}]}}}