{"id":"CVE-2026-54237","state":"PUBLISHED","title":"Wavelog: Unauthenticated Remote Code Execution","description":"Wavelog is web-based amateur radio logging software. From 1.8 until 2.4.2, Wavelog exposes /install/ajax.php and /install/includes/interface_assets/triggers.php after installation without an installation lock or permission check. Unsanitized input reaches write_config() and write_configfile() in install/includes/core/core_class.php, allowing a remote unauthenticated attacker to read or write log files and place attacker-controlled content into PHP configuration files. The resulting PHP configuration content can execute on the server. This issue is fixed in version 2.4.2.","publishedAt":"2026-09-17T20:14:10.057Z","updatedAt":"2026-09-18T18:32:56.635Z","severity":{"score":9.3,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["wavelog wavelog"],"affected":[{"vendor":"wavelog","product":"wavelog","versions":[{"version":">= 1.8, < 2.4.2","status":"affected"}]}],"references":["https://github.com/wavelog/wavelog/security/advisories/GHSA-jxjv-chgm-rh36","https://github.com/wavelog/wavelog/pull/3228","https://github.com/wavelog/wavelog/commit/9661efa86eff4598bd1a7ad8ca4ec60e76b6fb25","https://github.com/wavelog/wavelog/releases/tag/2.4.2"],"weaknesses":["CWE-94","CWE-862"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/54xxx/CVE-2026-54237.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54237","state":"PUBLISHED","datePublished":"2026-09-17T20:14:10.057Z","dateUpdated":"2026-09-18T18:32:56.635Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-12T16:25:43.084Z"},"containers":{"cna":{"title":"Wavelog: Unauthenticated Remote Code Execution","descriptions":[{"lang":"en","value":"Wavelog is web-based amateur radio logging software. From 1.8 until 2.4.2, Wavelog exposes /install/ajax.php and /install/includes/interface_assets/triggers.php after installation without an installation lock or permission check. Unsanitized input reaches write_config() and write_configfile() in install/includes/core/core_class.php, allowing a remote unauthenticated attacker to read or write log files and place attacker-controlled content into PHP configuration files. The resulting PHP configuration content can execute on the server. This issue is fixed in version 2.4.2."}],"affected":[{"vendor":"wavelog","product":"wavelog","versions":[{"version":">= 1.8, < 2.4.2","status":"affected"}]}],"references":[{"url":"https://github.com/wavelog/wavelog/security/advisories/GHSA-jxjv-chgm-rh36","name":"https://github.com/wavelog/wavelog/security/advisories/GHSA-jxjv-chgm-rh36","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/wavelog/wavelog/pull/3228","name":"https://github.com/wavelog/wavelog/pull/3228","tags":["x_refsource_MISC"]},{"url":"https://github.com/wavelog/wavelog/commit/9661efa86eff4598bd1a7ad8ca4ec60e76b6fb25","name":"https://github.com/wavelog/wavelog/commit/9661efa86eff4598bd1a7ad8ca4ec60e76b6fb25","tags":["x_refsource_MISC"]},{"url":"https://github.com/wavelog/wavelog/releases/tag/2.4.2","name":"https://github.com/wavelog/wavelog/releases/tag/2.4.2","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":9.3,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-94","lang":"en","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-09-17T20:14:10.057Z"},"source":{"advisory":"GHSA-jxjv-chgm-rh36","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-18T17:32:40.827460Z","id":"CVE-2026-54237","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-18T18:32:56.635Z"}}]}}}