{"id":"CVE-2026-12686","state":"PUBLISHED","title":"Incorrect authorisation in Adiss’s Biloop","description":"An authenticated user could manipulate a company ID parameter in a POST request to the backend to gain unauthorised access to other companies hosted within the same subdomain environment. The application does not adequately verify whether the requested company ID belongs to the authenticated user’s session, resulting in a cross-tenant authorisation bypass. If this vulnerability is successfully exploited, it allows unauthorised access to sensitive customer information, including billing data, and may enable the unauthorised modification of third-party data.","publishedAt":"2026-07-06T08:48:54.613Z","updatedAt":"2026-07-06T12:50:57.194Z","severity":{"score":9.3,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:N","source":"INCIBE"},"assigner":"INCIBE","products":["Adiss Biloop"],"affected":[{"vendor":"Adiss","product":"Biloop","defaultStatus":"unaffected","versions":[{"version":"6.1.1","status":"affected"}]}],"references":["https://www.incibe.es/en/incibe-cert/notices/aviso/incorrect-authorisation-adisss-biloop"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:10:52.580Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/12xxx/CVE-2026-12686.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-12686","state":"PUBLISHED","datePublished":"2026-07-06T08:48:54.613Z","dateUpdated":"2026-07-06T12:50:57.194Z","assignerShortName":"INCIBE","assignerOrgId":"0cbda920-cd7f-484a-8e76-bf7f4b7f4516","dateReserved":"2026-06-19T08:38:05.732Z"},"containers":{"cna":{"title":"Incorrect authorisation in Adiss’s Biloop","descriptions":[{"lang":"en","value":"An authenticated user could manipulate a company ID parameter in a POST request to the backend to gain unauthorised access to other companies hosted within the same subdomain environment. The application does not adequately verify whether the requested company ID belongs to the authenticated user’s session, resulting in a cross-tenant authorisation bypass. If this vulnerability is successfully exploited, it allows unauthorised access to sensitive customer information, including billing data, and may enable the unauthorised modification of third-party data."}],"affected":[{"vendor":"Adiss","product":"Biloop","defaultStatus":"unaffected","versions":[{"version":"6.1.1","status":"affected"}]}],"references":[{"url":"https://www.incibe.es/en/incibe-cert/notices/aviso/incorrect-authorisation-adisss-biloop","tags":["patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"HIGH","vulnAvailabilityImpact":"LOW","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"CRITICAL","baseScore":9.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639 Authorization bypass through User-Controlled key","type":"CWE"}]}],"providerMetadata":{"shortName":"INCIBE","orgId":"0cbda920-cd7f-484a-8e76-bf7f4b7f4516","dateUpdated":"2026-07-06T08:48:54.613Z"},"datePublic":"2026-07-06T08:46:00.000Z","solutions":[{"lang":"en","value":"The vulnerability has now been fixed, so we recommend updating to the latest available version.","supportingMedia":[{"type":"text/html","base64":false,"value":"The vulnerability has now been fixed, so we recommend updating to the latest available version."}]}],"credits":[{"lang":"en","value":"Jean-Michel Junod","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-06T12:50:50.832426Z","id":"CVE-2026-12686","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-06T12:50:57.194Z"}}]}}}