{"id":"CVE-2026-44294","state":"PUBLISHED","title":"protobufjs: Denial of service from crafted field names in generated code","description":"protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs generated JavaScript property accessors from schema-controlled field and oneof names. Certain control characters in field names were not escaped before being embedded into generated function bodies. A crafted schema or JSON descriptor could therefore cause generated encode, decode, verify, or conversion functions to fail during compilation. This vulnerability is fixed in 7.5.6 and 8.0.2.","publishedAt":"2026-05-13T14:44:30.474Z","updatedAt":"2026-05-13T18:34:31.882Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["protobufjs protobuf.js"],"affected":[{"vendor":"protobufjs","product":"protobuf.js","versions":[{"version":"< 7.5.6","status":"affected"},{"version":">= 8.0.0, < 8.0.2","status":"affected"}]}],"references":["https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-2pr8-phx7-x9h3"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/44xxx/CVE-2026-44294.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44294","state":"PUBLISHED","datePublished":"2026-05-13T14:44:30.474Z","dateUpdated":"2026-05-13T18:34:31.882Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-05T17:39:31.113Z"},"containers":{"cna":{"title":"protobufjs: Denial of service from crafted field names in generated code","descriptions":[{"lang":"en","value":"protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs generated JavaScript property accessors from schema-controlled field and oneof names. Certain control characters in field names were not escaped before being embedded into generated function bodies. A crafted schema or JSON descriptor could therefore cause generated encode, decode, verify, or conversion functions to fail during compilation. This vulnerability is fixed in 7.5.6 and 8.0.2."}],"affected":[{"vendor":"protobufjs","product":"protobuf.js","versions":[{"version":"< 7.5.6","status":"affected"},{"version":">= 8.0.0, < 8.0.2","status":"affected"}]}],"references":[{"url":"https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-2pr8-phx7-x9h3","name":"https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-2pr8-phx7-x9h3","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","lang":"en","description":"CWE-20: Improper Input Validation","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-13T14:44:30.474Z"},"source":{"advisory":"GHSA-2pr8-phx7-x9h3","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-13T18:34:24.114908Z","id":"CVE-2026-44294","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":"2026-05-13T18:34:31.882Z"}}]}}}