{"id":"CVE-2026-41244","state":"PUBLISHED","title":"Mojic: Observable Timing Discrepancy in HMAC Verification","description":"Mojic is a CLI tool to transform readable C code into an unrecognizable chaotic stream of emojis. Prior to 2.1.4, the CipherEngine uses a standard equality operator (!==) to verify the HMAC-SHA256 integrity seal during the decryption phase. This creates an Observable Timing Discrepancy (CWE-208), allowing a potential attacker to bypass the file integrity check via a timing attack. This vulnerability is fixed in 2.1.4.","publishedAt":"2026-04-24T19:11:54.892Z","updatedAt":"2026-04-24T19:59:59.355Z","severity":{"score":4.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["notamitgamer mojic"],"affected":[{"vendor":"notamitgamer","product":"mojic","versions":[{"version":"< 2.1.4","status":"affected"}]}],"references":["https://github.com/notamitgamer/mojic/security/advisories/GHSA-wqq3-wfmp-v85g"],"weaknesses":["CWE-208"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/41xxx/CVE-2026-41244.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41244","state":"PUBLISHED","datePublished":"2026-04-24T19:11:54.892Z","dateUpdated":"2026-04-24T19:59:59.355Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-18T03:47:03.135Z"},"containers":{"cna":{"title":"Mojic: Observable Timing Discrepancy in HMAC Verification","descriptions":[{"lang":"en","value":"Mojic is a CLI tool to transform readable C code into an unrecognizable chaotic stream of emojis. Prior to 2.1.4, the CipherEngine uses a standard equality operator (!==) to verify the HMAC-SHA256 integrity seal during the decryption phase. This creates an Observable Timing Discrepancy (CWE-208), allowing a potential attacker to bypass the file integrity check via a timing attack. This vulnerability is fixed in 2.1.4."}],"affected":[{"vendor":"notamitgamer","product":"mojic","versions":[{"version":"< 2.1.4","status":"affected"}]}],"references":[{"url":"https://github.com/notamitgamer/mojic/security/advisories/GHSA-wqq3-wfmp-v85g","name":"https://github.com/notamitgamer/mojic/security/advisories/GHSA-wqq3-wfmp-v85g","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-208","lang":"en","description":"CWE-208: Observable Timing Discrepancy","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-24T19:11:54.892Z"},"source":{"advisory":"GHSA-wqq3-wfmp-v85g","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/notamitgamer/mojic/security/advisories/GHSA-wqq3-wfmp-v85g","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-24T19:59:29.940685Z","id":"CVE-2026-41244","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-24T19:59:59.355Z"}}]}}}