{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-8739","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-05-16T10:36:27.832Z","datePublished":"2026-05-17T07:45:12.075Z","dateUpdated":"2026-05-18T20:09:22.101Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-05-17T07:45:12.075Z"},"title":"Sanluan PublicCMS SafeConfigComponent.java getSignKey hard-coded key","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-321","lang":"en","description":"Use of Hard-coded Cryptographic Key"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-320","lang":"en","description":"Key Management Error"}]}],"affected":[{"vendor":"Sanluan","product":"PublicCMS","versions":[{"version":"5.202506.d","status":"affected"}],"cpes":["cpe:2.3:a:publiccms:publiccms:*:*:*:*:*:*:*:*"]}],"descriptions":[{"lang":"en","value":"A vulnerability was detected in Sanluan PublicCMS 5.202506.d. The affected element is the function getSignKey of the file publiccms-core/src/main/java/com/publiccms/logic/component/config/SafeConfigComponent.java. The manipulation of the argument privatefile_key results in use of hard-coded cryptographic key\r . The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.9,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":5.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR"}}],"timeline":[{"time":"2026-05-16T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-05-16T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-05-16T12:41:41.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"vulnplusbot (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"references":[{"url":"https://vuldb.com/vuln/364327","name":"VDB-364327 | Sanluan PublicCMS SafeConfigComponent.java getSignKey hard-coded key","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/364327/cti","name":"VDB-364327 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/809917","name":"Submit #809917 | PublicCMS V5.202506.d Anonymous Private File Download","tags":["third-party-advisory"]},{"url":"https://vulnplus-note.wetolink.com/share/PCVUlOncmwTC","tags":["exploit"]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-18T20:08:32.296671Z","id":"CVE-2026-8739","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-18T20:09:22.101Z"}}]}}