{"id":"CVE-2026-72692","state":"PUBLISHED","title":"OpenSignLabs opensignserver - Missing Authorization","description":"A missing authorization vulnerability in OpenSignLabs opensignserver through 2.37.0 allows an unauthenticated remote attacker to irreversibly decline any in-flight document and forge the decline attribution to an arbitrary user via the declinedoc Parse cloud function. The function writes IsDeclined, DeclineReason, and a caller-supplied DeclineBy pointer without verifying the caller's identity, enabling workflow termination and evidentiary record falsification against any accessible document.","publishedAt":"2026-08-10T11:59:14.935Z","updatedAt":"2026-08-10T18:21:58.204Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","source":"TuranSec"},"assigner":"TuranSec","products":["OpenSignLabs opensignserver"],"affected":[{"vendor":"OpenSignLabs","product":"opensignserver","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.37.0","versionType":"semver"}]}],"references":["https://github.com/OpenSignLabs/OpenSign"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72692.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72692","state":"PUBLISHED","datePublished":"2026-08-10T11:59:14.935Z","dateUpdated":"2026-08-10T18:21:58.204Z","assignerShortName":"TuranSec","assignerOrgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","dateReserved":"2026-08-10T11:55:39.471Z"},"containers":{"cna":{"title":"OpenSignLabs opensignserver - Missing Authorization","descriptions":[{"lang":"en","value":"A missing authorization vulnerability in OpenSignLabs opensignserver through 2.37.0 allows an unauthenticated remote attacker to irreversibly decline any in-flight document and forge the decline attribution to an arbitrary user via the declinedoc Parse cloud function. The function writes IsDeclined, DeclineReason, and a caller-supplied DeclineBy pointer without verifying the caller's identity, enabling workflow termination and evidentiary record falsification against any accessible document."}],"affected":[{"vendor":"OpenSignLabs","product":"opensignserver","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.37.0","versionType":"semver"}]}],"references":[{"url":"https://github.com/OpenSignLabs/OpenSign","name":"OpenSign GitHub Repository","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","type":"CWE","description":"CWE-862: Missing Authorization"}]}],"providerMetadata":{"shortName":"TuranSec","orgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","dateUpdated":"2026-08-10T11:59:14.935Z"},"credits":[{"lang":"en","value":"Bobur Abdugafforov (Mahadsec)","type":"finder"}],"source":{"discovery":"EXTERNAL"},"datePublic":"2026-08-10T12:00:00.000Z"},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-10T15:35:02.707376Z","id":"CVE-2026-72692","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":"2026-08-10T18:21:58.204Z"}}]}}}